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75245708 = 2264129347
BaseRepresentation
bin1000111110000…
…10100010001100
312020120212201002
410133002202030
5123230330313
611244435432
71602402146
oct437024214
9166525632
1075245708
113952423a
1221248b78
13127873b5
149dc9c96
156915058
hex47c288c

75245708 has 12 divisors (see below), whose sum is σ = 131889912. Its totient is φ = 37562880.

The previous prime is 75245671. The next prime is 75245741. The reversal of 75245708 is 80754257.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 12110 + ... + 17237.

It is an arithmetic number, because the mean of its divisors is an integer number (10990826).

Almost surely, 275245708 is an apocalyptic number.

It is an amenable number.

75245708 is a deficient number, since it is larger than the sum of its proper divisors (56644204).

75245708 is a wasteful number, since it uses less digits than its factorization.

75245708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29992 (or 29990 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 75245708 is about 8674.4283961538. The cubic root of 75245708 is about 422.1763598795.

The spelling of 75245708 in words is "seventy-five million, two hundred forty-five thousand, seven hundred eight".

Divisors: 1 2 4 641 1282 2564 29347 58694 117388 18811427 37622854 75245708