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79429144 = 23291731979
BaseRepresentation
bin1001011101111…
…11111000011000
312112110102022011
410232333320120
5130313213034
611514235304
71653064564
oct456777030
9175412264
1079429144
1140921323
1222725b34
13135c05c2
14a7986a4
156e8e864
hex4bbfe18

79429144 has 32 divisors (see below), whose sum is σ = 155034000. Its totient is φ = 38104192.

The previous prime is 79429081. The next prime is 79429157. The reversal of 79429144 is 44192497.

It is a junction number, because it is equal to n+sod(n) for n = 79429097 and 79429106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39147 + ... + 41125.

Almost surely, 279429144 is an apocalyptic number.

It is an amenable number.

79429144 is a deficient number, since it is larger than the sum of its proper divisors (75604856).

79429144 is a wasteful number, since it uses less digits than its factorization.

79429144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2183 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 79429144 is about 8912.3029571486. The cubic root of 79429144 is about 429.8595972112.

The spelling of 79429144 in words is "seventy-nine million, four hundred twenty-nine thousand, one hundred forty-four".

Divisors: 1 2 4 8 29 58 116 173 232 346 692 1384 1979 3958 5017 7916 10034 15832 20068 40136 57391 114782 229564 342367 459128 684734 1369468 2738936 9928643 19857286 39714572 79429144