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79424127 = 32291731759
BaseRepresentation
bin1001011101111…
…10101001111111
312112110011102100
410232332221333
5130313033002
611514200143
71653044136
oct456765177
9175404370
1079424127
1140918582
1222723053
13135bb233
14a79691d
156e8d11c
hex4bbea7f

79424127 has 24 divisors (see below), whose sum is σ = 119433600. Its totient is φ = 50799168.

The previous prime is 79424117. The next prime is 79424143. The reversal of 79424127 is 72142497.

It is not a de Polignac number, because 79424127 - 28 = 79423871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79424091 and 79424100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79424117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44274 + ... + 46032.

It is an arithmetic number, because the mean of its divisors is an integer number (4976400).

Almost surely, 279424127 is an apocalyptic number.

79424127 is a deficient number, since it is larger than the sum of its proper divisors (40009473).

79424127 is a wasteful number, since it uses less digits than its factorization.

79424127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1964 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 79424127 is about 8912.0214878556. The cubic root of 79424127 is about 429.8505465828.

The spelling of 79424127 in words is "seventy-nine million, four hundred twenty-four thousand, one hundred twenty-seven".

Divisors: 1 3 9 29 87 173 261 519 1557 1759 5017 5277 15051 15831 45153 51011 153033 304307 459099 912921 2738763 8824903 26474709 79424127