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130998936 = 23341671987
BaseRepresentation
bin1111100111011…
…10001010011000
3100010111102202110
413303232022120
5232013431221
620555432320
73150321045
oct763561230
9303442673
10130998936
1167a44492
1237a556a0
13211a8383
14135801cc
15b779776
hex7cee298

130998936 has 64 divisors (see below), whose sum is σ = 340663680. Its totient is φ = 41944320.

The previous prime is 130998913. The next prime is 130998937. The reversal of 130998936 is 639899031.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130998937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64935 + ... + 66921.

It is an arithmetic number, because the mean of its divisors is an integer number (5322870).

Almost surely, 2130998936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130998936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170331840).

130998936 is an abundant number, since it is smaller than the sum of its proper divisors (209664744).

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

130998936 is a wasteful number, since it uses less digits than its factorization.

130998936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 130998936 is about 11445.4766611094. The cubic root of 130998936 is about 507.8739327985.

The spelling of 130998936 in words is "one hundred thirty million, nine hundred ninety-eight thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 41 67 82 123 134 164 201 246 268 328 402 492 536 804 984 1608 1987 2747 3974 5494 5961 7948 8241 10988 11922 15896 16482 21976 23844 32964 47688 65928 81467 133129 162934 244401 266258 325868 399387 488802 532516 651736 798774 977604 1065032 1597548 1955208 3195096 5458289 10916578 16374867 21833156 32749734 43666312 65499468 130998936