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130892256 = 25321179523
BaseRepresentation
bin1111100110101…
…00000111100000
3100010022000102100
413303110013200
5232002023011
620553250400
73146365035
oct763240740
9303260370
10130892256
1167981320
1237a03a00
132116b951
141355338c
15b757d56
hex7cd41e0

130892256 has 144 divisors (see below), whose sum is σ = 411989760. Its totient is φ = 39087360.

The previous prime is 130892249. The next prime is 130892257. The reversal of 130892256 is 652298031.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 130892256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130892257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250011 + ... + 250533.

It is an arithmetic number, because the mean of its divisors is an integer number (2861040).

Almost surely, 2130892256 is an apocalyptic number.

130892256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130892256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205994880).

130892256 is an abundant number, since it is smaller than the sum of its proper divisors (281097504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130892256 is a wasteful number, since it uses less digits than its factorization.

130892256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 130892256 is about 11440.8153555592. The cubic root of 130892256 is about 507.7360316655.

The spelling of 130892256 in words is "one hundred thirty million, eight hundred ninety-two thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 79 88 96 99 132 144 158 176 198 237 264 288 316 352 396 474 523 528 632 711 792 869 948 1046 1056 1264 1422 1569 1584 1738 1896 2092 2528 2607 2844 3138 3168 3476 3792 4184 4707 5214 5688 5753 6276 6952 7584 7821 8368 9414 10428 11376 11506 12552 13904 15642 16736 17259 18828 20856 22752 23012 25104 27808 31284 34518 37656 41317 41712 46024 50208 51777 62568 69036 75312 82634 83424 92048 103554 123951 125136 138072 150624 165268 184096 207108 247902 250272 276144 330536 371853 414216 454487 495804 552288 661072 743706 828432 908974 991608 1322144 1363461 1487412 1656864 1817948 1983216 2726922 2974824 3635896 3966432 4090383 5453844 5949648 7271792 8180766 10907688 11899296 14543584 16361532 21815376 32723064 43630752 65446128 130892256