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129579034 = 2134983809
BaseRepresentation
bin1111011100100…
…11100000011010
3100000211022000111
413232103200122
5231133012114
620505154534
73132255304
oct756234032
9300738014
10129579034
1167164712
123748ba4a
1320acbcb0
14132d0974
15b598bc4
hex7b9381a

129579034 has 8 divisors (see below), whose sum is σ = 209320020. Its totient is φ = 59805696.

The previous prime is 129579029. The next prime is 129579041. The reversal of 129579034 is 430975921.

It can be written as a sum of positive squares in 2 ways, for example, as 98942809 + 30636225 = 9947^2 + 5535^2 .

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

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, 2491879 + ... + 2491930.

Almost surely, 2129579034 is an apocalyptic number.

129579034 is a deficient number, since it is larger than the sum of its proper divisors (79740986).

129579034 is a wasteful number, since it uses less digits than its factorization.

129579034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983824.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 129579034 is about 11383.2787016747. The cubic root of 129579034 is about 506.0323084975.

The spelling of 129579034 in words is "one hundred twenty-nine million, five hundred seventy-nine thousand, thirty-four".

Divisors: 1 2 13 26 4983809 9967618 64789517 129579034