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79125130 = 2571130359
BaseRepresentation
bin1001011011101…
…01101010001010
312111212222021101
410231311222022
5130224001010
611503532014
71650360340
oct455655212
9174788241
1079125130
1140733977
12225ba00a
1313515106
14a719990
156e2e73a
hex4b75a8a

79125130 has 16 divisors (see below), whose sum is σ = 162771840. Its totient is φ = 27128592.

The previous prime is 79125107. The next prime is 79125143. The reversal of 79125130 is 3152197.

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, 565110 + ... + 565249.

It is an arithmetic number, because the mean of its divisors is an integer number (10173240).

Almost surely, 279125130 is an apocalyptic number.

79125130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

79125130 is an abundant number, since it is smaller than the sum of its proper divisors (83646710).

79125130 is a wasteful number, since it uses less digits than its factorization.

79125130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130373.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 79125130 is about 8895.2307446182. The cubic root of 79125130 is about 429.3104687091.

It can be divided in two parts, 791 and 25130, that added together give a square (25921 = 1612).

The spelling of 79125130 in words is "seventy-nine million, one hundred twenty-five thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1130359 2260718 5651795 7912513 11303590 15825026 39562565 79125130