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68735351 = 151455201
BaseRepresentation
bin1000001100011…
…01000101110111
311210100010011202
410012031011313
5120044012401
610453123115
71463145416
oct406150567
9153303152
1068735351
1135887983
121b02949b
1311318009
1491b347d
15607b06b
hex418d177

68735351 has 4 divisors (see below), whose sum is σ = 69190704. Its totient is φ = 68280000.

The previous prime is 68735309. The next prime is 68735353. The reversal of 68735351 is 15353786.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68735351 - 26 = 68735287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68735353) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 227450 + ... + 227751.

It is an arithmetic number, because the mean of its divisors is an integer number (17297676).

Almost surely, 268735351 is an apocalyptic number.

68735351 is a deficient number, since it is larger than the sum of its proper divisors (455353).

68735351 is a wasteful number, since it uses less digits than its factorization.

68735351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455352.

The product of its digits is 75600, while the sum is 38.

The square root of 68735351 is about 8290.6785608899. The cubic root of 68735351 is about 409.6315369007.

The spelling of 68735351 in words is "sixty-eight million, seven hundred thirty-five thousand, three hundred fifty-one".

Divisors: 1 151 455201 68735351