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68659253 = 1312914091
BaseRepresentation
bin1000001011110…
…10100000110101
311210012020210022
410011322200311
5120034044003
610451334525
71462410515
oct405724065
9153166708
1068659253
1135835793
121abb1445
13112bc4a0
149193845
156063738
hex417a835

68659253 has 8 divisors (see below), whose sum is σ = 74016096. Its totient is φ = 63313200.

The previous prime is 68659249. The next prime is 68659267. The reversal of 68659253 is 35295686.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68659253 - 22 = 68659249 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 (68658253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14738 + ... + 18828.

It is an arithmetic number, because the mean of its divisors is an integer number (9252012).

Almost surely, 268659253 is an apocalyptic number.

It is an amenable number.

68659253 is a deficient number, since it is larger than the sum of its proper divisors (5356843).

68659253 is a wasteful number, since it uses less digits than its factorization.

68659253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395.

The product of its digits is 388800, while the sum is 44.

The square root of 68659253 is about 8286.0879189157. The cubic root of 68659253 is about 409.4803112162.

The spelling of 68659253 in words is "sixty-eight million, six hundred fifty-nine thousand, two hundred fifty-three".

Divisors: 1 13 1291 4091 16783 53183 5281481 68659253