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130584672 = 25324111059
BaseRepresentation
bin1111100100010…
…01000001100000
3100002201101111100
413302021001200
5231412202142
620542514400
73143644221
oct762110140
9302641440
10130584672
1167791219
1237895a00
132109194a
14134b3248
15b6e6b4c
hex7c89060

130584672 has 72 divisors (see below), whose sum is σ = 380441880. Its totient is φ = 42462720.

The previous prime is 130584661. The next prime is 130584673. The reversal of 130584672 is 276485031.

130584672 is a `hidden beast` number, since 1 + 3 + 0 + 584 + 6 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1305846722 = 34104713122695168, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130584673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6279 + ... + 17337.

It is an arithmetic number, because the mean of its divisors is an integer number (5283915).

Almost surely, 2130584672 is an apocalyptic number.

130584672 is a gapful number since it is divisible by the number (12) 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 130584672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190220940).

130584672 is an abundant number, since it is smaller than the sum of its proper divisors (249857208).

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

130584672 is a wasteful number, since it uses less digits than its factorization.

130584672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116 (or 11105 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 130584672 is about 11427.3650506142. The cubic root of 130584672 is about 507.3380097261.

The spelling of 130584672 in words is "one hundred thirty million, five hundred eighty-four thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 41 48 72 82 96 123 144 164 246 288 328 369 492 656 738 984 1312 1476 1968 2952 3936 5904 11059 11808 22118 33177 44236 66354 88472 99531 132708 176944 199062 265416 353888 398124 453419 530832 796248 906838 1061664 1360257 1592496 1813676 2720514 3184992 3627352 4080771 5441028 7254704 8161542 10882056 14509408 16323084 21764112 32646168 43528224 65292336 130584672