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132604880 = 2451657561
BaseRepresentation
bin1111110011101…
…10001111010000
3100020112000200212
413321312033100
5232421324010
621054103252
73200060102
oct771661720
9306460625
10132604880
1168941011
12384aab28
132161b335
141387b572
15b995505
hex7e763d0

132604880 has 20 divisors (see below), whose sum is σ = 308306532. Its totient is φ = 53041920.

The previous prime is 132604877. The next prime is 132604883. The reversal of 132604880 is 88406231.

It is an interprime number because it is at equal distance from previous prime (132604877) and next prime (132604883).

It can be written as a sum of positive squares in 2 ways, for example, as 37503376 + 95101504 = 6124^2 + 9752^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132604883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828701 + ... + 828860.

Almost surely, 2132604880 is an apocalyptic number.

132604880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132604880 is an abundant number, since it is smaller than the sum of its proper divisors (175701652).

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

132604880 is a wasteful number, since it uses less digits than its factorization.

132604880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657574 (or 1657568 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 132604880 is about 11515.4192281480. The cubic root of 132604880 is about 509.9408876765.

The spelling of 132604880 in words is "one hundred thirty-two million, six hundred four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1657561 3315122 6630244 8287805 13260488 16575610 26520976 33151220 66302440 132604880