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61165056 = 29339821
BaseRepresentation
bin1110100101010…
…0111000000000
311021002111200110
43221110320000
5111124240211
610022551320
71341615531
oct351247000
9137074613
1061165056
1131587237
1218598540
13c897354
1481a2688
155582ea6
hex3a54e00

61165056 has 40 divisors (see below), whose sum is σ = 162951624. Its totient is φ = 20387840.

The previous prime is 61165043. The next prime is 61165057. The reversal of 61165056 is 65056116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61165057) 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, 18375 + ... + 21446.

Almost surely, 261165056 is an apocalyptic number.

It is an amenable number.

61165056 is an abundant number, since it is smaller than the sum of its proper divisors (101786568).

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

61165056 is an equidigital number, since it uses as much as digits as its factorization.

61165056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39842 (or 39826 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 61165056 is about 7820.8091652974. The cubic root of 61165056 is about 394.0044490896.

The spelling of 61165056 in words is "sixty-one million, one hundred sixty-five thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 39821 79642 119463 159284 238926 318568 477852 637136 955704 1274272 1911408 2548544 3822816 5097088 7645632 10194176 15291264 20388352 30582528 61165056