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64097152 = 27771537
BaseRepresentation
bin1111010010000…
…0101110000000
311110121110202121
43310200232000
5112402102102
610205454024
71405550110
oct364405600
9143543677
1064097152
11331aa159
1219571314
1310382b12
148727040
155961b37
hex3d20b80

64097152 has 32 divisors (see below), whose sum is σ = 145937520. Its totient is φ = 27469824.

The previous prime is 64097149. The next prime is 64097161. The reversal of 64097152 is 25179046.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×640971522 = 8216889789022208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34873 + ... + 36664.

Almost surely, 264097152 is an apocalyptic number.

It is an amenable number.

64097152 is an abundant number, since it is smaller than the sum of its proper divisors (81840368).

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

64097152 is an equidigital number, since it uses as much as digits as its factorization.

64097152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71558 (or 71546 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 64097152 is about 8006.0696974233. The cubic root of 64097152 is about 400.2022976719.

The spelling of 64097152 in words is "sixty-four million, ninety-seven thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 71537 143074 286148 500759 572296 1001518 1144592 2003036 2289184 4006072 4578368 8012144 9156736 16024288 32048576 64097152