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132909620 = 2257738597
BaseRepresentation
bin1111110110000…
…00101000110100
3100021002111201112
413323000220310
5233011101440
621104414152
73202466414
oct773005064
9307074645
10132909620
1169029a68
1238617358
13216c6c5c
141391a644
15ba05965
hex7ec0a34

132909620 has 24 divisors (see below), whose sum is σ = 279503784. Its totient is φ = 53088896.

The previous prime is 132909611. The next prime is 132909631. The reversal of 132909620 is 26909231.

It can be written as a sum of positive squares in 4 ways, for example, as 3587236 + 129322384 = 1894^2 + 11372^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11162 + ... + 19758.

It is an arithmetic number, because the mean of its divisors is an integer number (11645991).

Almost surely, 2132909620 is an apocalyptic number.

132909620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132909620 is an abundant number, since it is smaller than the sum of its proper divisors (146594164).

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

132909620 is a wasteful number, since it uses less digits than its factorization.

132909620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379 (or 9377 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 132909620 is about 11528.6434587943. The cubic root of 132909620 is about 510.3312214673.

The spelling of 132909620 in words is "one hundred thirty-two million, nine hundred nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 773 1546 3092 3865 7730 8597 15460 17194 34388 42985 85970 171940 6645481 13290962 26581924 33227405 66454810 132909620