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68598013 = 119676449
BaseRepresentation
bin1000001011010…
…11100011111101
311210002010210011
410011223203331
5120030114023
610450143221
71462034131
oct405534375
9153063704
1068598013
11357a3780
121ab81b11
131129a653
1491793c1
15605050d
hex416b8fd

68598013 has 8 divisors (see below), whose sum is σ = 74923200. Its totient is φ = 62287680.

The previous prime is 68597993. The next prime is 68598031. The reversal of 68598013 is 31089586.

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 68598013 - 213 = 68589821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68598053) 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, 7413 + ... + 13861.

It is an arithmetic number, because the mean of its divisors is an integer number (9365400).

Almost surely, 268598013 is an apocalyptic number.

It is an amenable number.

68598013 is a deficient number, since it is larger than the sum of its proper divisors (6325187).

68598013 is a wasteful number, since it uses less digits than its factorization.

68598013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 68598013 is about 8282.3917439348. The cubic root of 68598013 is about 409.3585309149.

The spelling of 68598013 in words is "sixty-eight million, five hundred ninety-eight thousand, thirteen".

Divisors: 1 11 967 6449 10637 70939 6236183 68598013