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79129342 = 2291364299
BaseRepresentation
bin1001011011101…
…10101011111110
312111220012001101
410231312223332
5130224114332
611504003314
71650405535
oct455665376
9174805041
1079129342
1140737056
122260053a
1313516cc6
14a71b31c
156e30ae7
hex4b76afe

79129342 has 8 divisors (see below), whose sum is σ = 122787000. Its totient is φ = 38200344.

The previous prime is 79129307. The next prime is 79129343. The reversal of 79129342 is 24392197.

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

It is a super-2 number, since 2×791293422 = 12522905530705928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79129343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682092 + ... + 682207.

It is an arithmetic number, because the mean of its divisors is an integer number (15348375).

Almost surely, 279129342 is an apocalyptic number.

79129342 is a deficient number, since it is larger than the sum of its proper divisors (43657658).

79129342 is a wasteful number, since it uses less digits than its factorization.

79129342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364330.

The product of its digits is 27216, while the sum is 37.

The square root of 79129342 is about 8895.4674975518. The cubic root of 79129342 is about 429.3180862790.

The spelling of 79129342 in words is "seventy-nine million, one hundred twenty-nine thousand, three hundred forty-two".

Divisors: 1 2 29 58 1364299 2728598 39564671 79129342