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68614254 = 2328214643
BaseRepresentation
bin1000001011011…
…11100001101110
311210002222001200
410011233201232
5120031124004
610450350330
71462132362
oct405574156
9153088050
1068614254
11358049a5
121ab8b3a6
13112a4b67
1491812a2
156055239
hex416f86e

68614254 has 24 divisors (see below), whose sum is σ = 148877352. Its totient is φ = 22838640.

The previous prime is 68614237. The next prime is 68614291. The reversal of 68614254 is 45241686.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12457 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (6203223).

Almost surely, 268614254 is an apocalyptic number.

68614254 is an abundant number, since it is smaller than the sum of its proper divisors (80263098).

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

68614254 is a wasteful number, since it uses less digits than its factorization.

68614254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472 (or 5469 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 68614254 is about 8283.3721394128. The cubic root of 68614254 is about 409.3908344127.

The spelling of 68614254 in words is "sixty-eight million, six hundred fourteen thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 821 1642 2463 4643 4926 7389 9286 13929 14778 27858 41787 83574 3811903 7623806 11435709 22871418 34307127 68614254