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130691502 = 2332420213
BaseRepresentation
bin1111100101000…
…11000110101110
3100002220211001000
413302203012232
5231424112002
620545101130
73144600534
oct762430656
9302824030
10130691502
1167854507
12379277a6
13210cb466
1413500154
15b71861c
hex7ca31ae

130691502 has 16 divisors (see below), whose sum is σ = 290425680. Its totient is φ = 43563816.

The previous prime is 130691479. The next prime is 130691503. The reversal of 130691502 is 205196031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130691503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210053 + ... + 1210160.

It is an arithmetic number, because the mean of its divisors is an integer number (18151605).

Almost surely, 2130691502 is an apocalyptic number.

130691502 is an abundant number, since it is smaller than the sum of its proper divisors (159734178).

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

130691502 is a wasteful number, since it uses less digits than its factorization.

130691502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420224 (or 2420218 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 130691502 is about 11432.0384009152. The cubic root of 130691502 is about 507.4763213814.

The spelling of 130691502 in words is "one hundred thirty million, six hundred ninety-one thousand, five hundred two".

Divisors: 1 2 3 6 9 18 27 54 2420213 4840426 7260639 14521278 21781917 43563834 65345751 130691502