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68613846 = 23711291447
BaseRepresentation
bin1000001011011…
…11011011010110
311210002221111120
410011233123112
5120031120341
610450344410
71462131240
oct405573326
9153087446
1068613846
1135804664
121ab8b106
13112a4912
149181090
156055066
hex416f6d6

68613846 has 32 divisors (see below), whose sum is σ = 157079040. Its totient is φ = 19573056.

The previous prime is 68613827. The next prime is 68613851. The reversal of 68613846 is 64831686.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68613798 and 68613807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46695 + ... + 48141.

It is an arithmetic number, because the mean of its divisors is an integer number (4908720).

Almost surely, 268613846 is an apocalyptic number.

68613846 is an abundant number, since it is smaller than the sum of its proper divisors (88465194).

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

68613846 is a wasteful number, since it uses less digits than its factorization.

68613846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588.

The product of its digits is 165888, while the sum is 42.

The square root of 68613846 is about 8283.3475117250. The cubic root of 68613846 is about 409.3900229594.

The spelling of 68613846 in words is "sixty-eight million, six hundred thirteen thousand, eight hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 1129 1447 2258 2894 3387 4341 6774 7903 8682 10129 15806 20258 23709 30387 47418 60774 1633663 3267326 4900989 9801978 11435641 22871282 34306923 68613846