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68035998 = 23194631289
BaseRepresentation
bin1000000111000…
…10010110011110
311202000120211210
410003202112132
5114404122443
610430125250
71454203452
oct403422636
9152016753
1068035998
113544a4a8
121a950826
13111318b4
149070662
155e8dc33
hex40e259e

68035998 has 32 divisors (see below), whose sum is σ = 143654400. Its totient is φ = 21422016.

The previous prime is 68035993. The next prime is 68036011. The reversal of 68035998 is 89953086.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68035993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52138 + ... + 53426.

It is an arithmetic number, because the mean of its divisors is an integer number (4489200).

Almost surely, 268035998 is an apocalyptic number.

68035998 is an abundant number, since it is smaller than the sum of its proper divisors (75618402).

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

68035998 is a wasteful number, since it uses less digits than its factorization.

68035998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 68035998 is about 8248.3936617986. The cubic root of 68035998 is about 408.2375226919.

The spelling of 68035998 in words is "sixty-eight million, thirty-five thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 19 38 57 114 463 926 1289 1389 2578 2778 3867 7734 8797 17594 24491 26391 48982 52782 73473 146946 596807 1193614 1790421 3580842 11339333 22678666 34017999 68035998