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76344918 = 23131496569
BaseRepresentation
bin1001000110011…
…10111001010110
312022122201112120
410203032321112
5124021014133
611324200410
71614630636
oct443167126
9168581476
1076344918
113a105081
1221699106
1312a80810
14a1d46c6
156a80ab3
hex48cee56

76344918 has 32 divisors (see below), whose sum is σ = 165564000. Its totient is φ = 23329536.

The previous prime is 76344901. The next prime is 76344923. The reversal of 76344918 is 81944367.

It is a self number, because there is not a number n which added to its sum of digits gives 76344918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8338 + ... + 14906.

It is an arithmetic number, because the mean of its divisors is an integer number (5173875).

Almost surely, 276344918 is an apocalyptic number.

76344918 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 76344918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82782000).

76344918 is an abundant number, since it is smaller than the sum of its proper divisors (89219082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76344918 is a wasteful number, since it uses less digits than its factorization.

76344918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736.

The product of its digits is 145152, while the sum is 42.

The square root of 76344918 is about 8737.5578968039. The cubic root of 76344918 is about 424.2221861180. Note that the first 3 decimals are identical.

The spelling of 76344918 in words is "seventy-six million, three hundred forty-four thousand, nine hundred eighteen".

Divisors: 1 2 3 6 13 26 39 78 149 298 447 894 1937 3874 5811 6569 11622 13138 19707 39414 85397 170794 256191 512382 978781 1957562 2936343 5872686 12724153 25448306 38172459 76344918