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132685028 = 22712737313
BaseRepresentation
bin1111110100010…
…01110011100100
3100020200002122022
413322021303210
5232431410103
621055522312
73200542550
oct772116344
9306602568
10132685028
1168996253
1238529398
1321648968
141389c860
15b9ae138
hex7e89ce4

132685028 has 24 divisors (see below), whose sum is σ = 267466752. Its totient is φ = 56415744.

The previous prime is 132685001. The next prime is 132685031. The reversal of 132685028 is 820586231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15101 + ... + 22212.

It is an arithmetic number, because the mean of its divisors is an integer number (11144448).

Almost surely, 2132685028 is an apocalyptic number.

It is an amenable number.

132685028 is an abundant number, since it is smaller than the sum of its proper divisors (134781724).

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

132685028 is a wasteful number, since it uses less digits than its factorization.

132685028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37451 (or 37449 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 132685028 is about 11518.8987320837. The cubic root of 132685028 is about 510.0436051400.

The spelling of 132685028 in words is "one hundred thirty-two million, six hundred eighty-five thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 127 254 508 889 1778 3556 37313 74626 149252 261191 522382 1044764 4738751 9477502 18955004 33171257 66342514 132685028