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75113668 = 2272409937
BaseRepresentation
bin1000111101000…
…10010011000100
312020100011120201
410132202103010
5123212114133
611241540244
71601312200
oct436422304
9166304521
1075113668
1139444013
12211a4684
131273c276
149d93b00
1568dad7d
hex47a24c4

75113668 has 36 divisors (see below), whose sum is σ = 153447420. Its totient is φ = 32078592.

The previous prime is 75113657. The next prime is 75113693. The reversal of 75113668 is 86631157.

It can be written as a sum of positive squares in 2 ways, for example, as 35070084 + 40043584 = 5922^2 + 6328^2 .

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 11 ways as a sum of consecutive naturals, for example, 79696 + ... + 80632.

Almost surely, 275113668 is an apocalyptic number.

It is an amenable number.

75113668 is an abundant number, since it is smaller than the sum of its proper divisors (78333752).

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

75113668 is a wasteful number, since it uses less digits than its factorization.

75113668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1355 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 75113668 is about 8666.8141782318. The cubic root of 75113668 is about 421.9292724544.

The spelling of 75113668 in words is "seventy-five million, one hundred thirteen thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 409 818 937 1636 1874 2863 3748 5726 6559 11452 13118 20041 26236 40082 45913 80164 91826 183652 383233 766466 1532932 2682631 5365262 10730524 18778417 37556834 75113668