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76013072 = 2419250043
BaseRepresentation
bin1001000011111…
…01111000010000
312022000212022222
410201331320100
5123424404242
611313120212
71612046312
oct441757020
9168025288
1076013072
11399a8823
1221559068
1312995765
14a1497b2
156a175d2
hex487de10

76013072 has 20 divisors (see below), whose sum is σ = 155027280. Its totient is φ = 36006048.

The previous prime is 76013071. The next prime is 76013081. The reversal of 76013072 is 27031067.

It is a super-2 number, since 2×760130722 = 11555974229754368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (76013071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124718 + ... + 125325.

It is an arithmetic number, because the mean of its divisors is an integer number (7751364).

Almost surely, 276013072 is an apocalyptic number.

It is an amenable number.

76013072 is an abundant number, since it is smaller than the sum of its proper divisors (79014208).

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

76013072 is a wasteful number, since it uses less digits than its factorization.

76013072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250070 (or 250064 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 76013072 is about 8718.5475854640. The cubic root of 76013072 is about 423.6066424218.

The spelling of 76013072 in words is "seventy-six million, thirteen thousand, seventy-two".

Divisors: 1 2 4 8 16 19 38 76 152 304 250043 500086 1000172 2000344 4000688 4750817 9501634 19003268 38006536 76013072