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79130234 = 2434719577
BaseRepresentation
bin1001011011101…
…10111001111010
312111220020021102
410231312321322
5130224131414
611504011402
71650411251
oct455667172
9174806242
1079130234
1140737797
1222600b62
1313517531
14a71b798
156e30ede
hex4b76e7a

79130234 has 16 divisors (see below), whose sum is σ = 124046208. Its totient is φ = 37820832.

The previous prime is 79130159. The next prime is 79130239. The reversal of 79130234 is 43203197.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79130197 and 79130206.

It is not an unprimeable number, because it can be changed into a prime (79130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5747 + ... + 13830.

It is an arithmetic number, because the mean of its divisors is an integer number (7752888).

Almost surely, 279130234 is an apocalyptic number.

79130234 is a deficient number, since it is larger than the sum of its proper divisors (44915974).

79130234 is a wasteful number, since it uses less digits than its factorization.

79130234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19669.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 79130234 is about 8895.5176353037. The cubic root of 79130234 is about 429.3196994618.

The spelling of 79130234 in words is "seventy-nine million, one hundred thirty thousand, two hundred thirty-four".

Divisors: 1 2 43 47 86 94 2021 4042 19577 39154 841811 920119 1683622 1840238 39565117 79130234