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130261600 = 2552723323
BaseRepresentation
bin1111100001110…
…10001001100000
3100002002222022201
413300322021200
5231321332400
620531542544
73141130300
oct760721140
9302088281
10130261600
1167590517
123775aa54
1320caa891
141342b600
15b68106a
hex7c3a260

130261600 has 108 divisors (see below), whose sum is σ = 370031004. Its totient is φ = 44647680.

The previous prime is 130261583. The next prime is 130261609. The reversal of 130261600 is 6162031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130261609) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 37539 + ... + 40861.

It is an arithmetic number, because the mean of its divisors is an integer number (3426213).

Almost surely, 2130261600 is an apocalyptic number.

130261600 is a gapful number since it is divisible by the number (10) 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 130261600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185015502).

130261600 is an abundant number, since it is smaller than the sum of its proper divisors (239769404).

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

130261600 is a wasteful number, since it uses less digits than its factorization.

130261600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 130261600 is about 11413.2204044257. The cubic root of 130261600 is about 506.9192723154.

The spelling of 130261600 in words is "one hundred thirty million, two hundred sixty-one thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 140 160 175 196 200 224 245 280 350 392 400 490 560 700 784 800 980 1120 1225 1400 1568 1960 2450 2800 3323 3920 4900 5600 6646 7840 9800 13292 16615 19600 23261 26584 33230 39200 46522 53168 66460 83075 93044 106336 116305 132920 162827 166150 186088 232610 265840 325654 332300 372176 465220 531680 581525 651308 664600 744352 814135 930440 1163050 1302616 1329200 1628270 1860880 2326100 2605232 2658400 3256540 3721760 4070675 4652200 5210464 6513080 8141350 9304400 13026160 16282700 18608800 26052320 32565400 65130800 130261600