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75942664 = 2379531423
BaseRepresentation
bin1001000011011…
…00101100001000
312021220021202021
410201230230020
5123420131124
611311414224
71611334120
oct441545410
9167807667
1075942664
113995a936
1221524374
131296c6b5
14a12bc80
156a017e4
hex486cb08

75942664 has 32 divisors (see below), whose sum is σ = 163019520. Its totient is φ = 32489856.

The previous prime is 75942661. The next prime is 75942673. The reversal of 75942664 is 46624957.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75942664.

It is not an unprimeable number, because it can be changed into a prime (75942661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52657 + ... + 54079.

It is an arithmetic number, because the mean of its divisors is an integer number (5094360).

Almost surely, 275942664 is an apocalyptic number.

It is an amenable number.

75942664 is an abundant number, since it is smaller than the sum of its proper divisors (87076856).

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

75942664 is a wasteful number, since it uses less digits than its factorization.

75942664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389 (or 2385 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 75942664 is about 8714.5088214999. The cubic root of 75942664 is about 423.4758118111.

The spelling of 75942664 in words is "seventy-five million, nine hundred forty-two thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 953 1423 1906 2846 3812 5692 6671 7624 9961 11384 13342 19922 26684 39844 53368 79688 1356119 2712238 5424476 9492833 10848952 18985666 37971332 75942664