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68653375 = 537312531
BaseRepresentation
bin1000001011110…
…01000100111111
311210011221201121
410011321010333
5120033402000
610451251411
71462354420
oct405710477
9153157647
1068653375
113583132a
121aba9b67
13112b98cb
149191647
156061b1a
hex417913f

68653375 has 32 divisors (see below), whose sum is σ = 101117952. Its totient is φ = 45540000.

The previous prime is 68653363. The next prime is 68653397. The reversal of 68653375 is 57335686.

It is not a de Polignac number, because 68653375 - 211 = 68651327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25860 + ... + 28390.

It is an arithmetic number, because the mean of its divisors is an integer number (3159936).

Almost surely, 268653375 is an apocalyptic number.

68653375 is a deficient number, since it is larger than the sum of its proper divisors (32464577).

68653375 is a wasteful number, since it uses less digits than its factorization.

68653375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 2574 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 68653375 is about 8285.7332204217. The cubic root of 68653375 is about 409.4686255179.

The spelling of 68653375 in words is "sixty-eight million, six hundred fifty-three thousand, three hundred seventy-five".

Divisors: 1 5 7 25 31 35 125 155 175 217 775 875 1085 2531 3875 5425 12655 17717 27125 63275 78461 88585 316375 392305 442925 549227 1961525 2214625 2746135 9807625 13730675 68653375