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73075812 = 2236089651
BaseRepresentation
bin1000101101100…
…00110001100100
312002111122011120
410112300301210
5122201411222
611130133540
71545064005
oct426606144
9162448146
1073075812
1138281a37
12205812b0
13121a7834
1499c31ac
15663715c
hex45b0c64

73075812 has 12 divisors (see below), whose sum is σ = 170510256. Its totient is φ = 24358600.

The previous prime is 73075799. The next prime is 73075813. The reversal of 73075812 is 21857037.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73075813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3044814 + ... + 3044837.

It is an arithmetic number, because the mean of its divisors is an integer number (14209188).

Almost surely, 273075812 is an apocalyptic number.

It is an amenable number.

73075812 is an abundant number, since it is smaller than the sum of its proper divisors (97434444).

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

73075812 is a wasteful number, since it uses less digits than its factorization.

73075812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089658 (or 6089656 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 73075812 is about 8548.4391557757. The cubic root of 73075812 is about 418.0785472378.

The spelling of 73075812 in words is "seventy-three million, seventy-five thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 6089651 12179302 18268953 24358604 36537906 73075812