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68613798 = 23111039603
BaseRepresentation
bin1000001011011…
…11011010100110
311210002221102210
410011233122212
5120031120143
610450344250
71462131141
oct405573246
9153087383
1068613798
1135804620
121ab8b086
13112a48a6
149181058
156055033
hex416f6a6

68613798 has 16 divisors (see below), whose sum is σ = 149702976. Its totient is φ = 20792040.

The previous prime is 68613763. The next prime is 68613803. The reversal of 68613798 is 89731686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519736 + ... + 519867.

It is an arithmetic number, because the mean of its divisors is an integer number (9356436).

Almost surely, 268613798 is an apocalyptic number.

68613798 is an abundant number, since it is smaller than the sum of its proper divisors (81089178).

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

68613798 is a wasteful number, since it uses less digits than its factorization.

68613798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039619.

The product of its digits is 435456, while the sum is 48.

The square root of 68613798 is about 8283.3446143451. The cubic root of 68613798 is about 409.3899274941.

The spelling of 68613798 in words is "sixty-eight million, six hundred thirteen thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 1039603 2079206 3118809 6237618 11435633 22871266 34306899 68613798