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68979074 = 241298353
BaseRepresentation
bin1000001110010…
…00100110000010
311210210111111112
410013020212002
5120124312244
610502243322
71465212113
oct407104602
9153714445
1068979074
1135a33aaa
121b126542
13113a1c28
14923820a
1560c839e
hex41c8982

68979074 has 8 divisors (see below), whose sum is σ = 103506060. Its totient is φ = 34477056.

The previous prime is 68979019. The next prime is 68979109. The reversal of 68979074 is 47097986.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68178049 + 801025 = 8257^2 + 895^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×689790742 = 9516225299794952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4082 + ... + 12434.

Almost surely, 268979074 is an apocalyptic number.

68979074 is a deficient number, since it is larger than the sum of its proper divisors (34526986).

68979074 is a wasteful number, since it uses less digits than its factorization.

68979074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12484.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 68979074 is about 8305.3641702216. The cubic root of 68979074 is about 410.1151253148.

The spelling of 68979074 in words is "sixty-eight million, nine hundred seventy-nine thousand, seventy-four".

Divisors: 1 2 4129 8258 8353 16706 34489537 68979074