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132788660 = 225231272273
BaseRepresentation
bin1111110101000…
…11000110110100
3100020212100210112
413322203012310
5232443214120
621102042152
73201453644
oct772430664
9306770715
10132788660
1168a570a4
1238579358
1321683b94
14138c8524
15b9cebc5
hex7ea31b4

132788660 has 48 divisors (see below), whose sum is σ = 293400576. Its totient is φ = 50383872.

The previous prime is 132788657. The next prime is 132788681. The reversal of 132788660 is 66887231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57284 + ... + 59556.

It is an arithmetic number, because the mean of its divisors is an integer number (6112512).

Almost surely, 2132788660 is an apocalyptic number.

132788660 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 132788660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146700288).

132788660 is an abundant number, since it is smaller than the sum of its proper divisors (160611916).

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

132788660 is a wasteful number, since it uses less digits than its factorization.

132788660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432 (or 2430 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 132788660 is about 11523.3962007735. The cubic root of 132788660 is about 510.1763583340.

The spelling of 132788660 in words is "one hundred thirty-two million, seven hundred eighty-eight thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 92 115 127 230 254 460 508 635 1270 2273 2540 2921 4546 5842 9092 11365 11684 14605 22730 29210 45460 52279 58420 104558 209116 261395 288671 522790 577342 1045580 1154684 1443355 2886710 5773420 6639433 13278866 26557732 33197165 66394330 132788660