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75899742 = 2312649957
BaseRepresentation
bin1001000011000…
…10001101011110
312021211002212120
410201202031132
5123412242432
611310443410
71611065022
oct441421536
9167732776
1075899742
1139930666
1221503566
1312955cb9
14a11a382
1569e3c2c
hex486235e

75899742 has 8 divisors (see below), whose sum is σ = 151799496. Its totient is φ = 25299912.

The previous prime is 75899731. The next prime is 75899743. The reversal of 75899742 is 24799857.

It is a sphenic number, since it is the product of 3 distinct primes.

75899742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75899743) 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, 6324973 + ... + 6324984.

It is an arithmetic number, because the mean of its divisors is an integer number (18974937).

Almost surely, 275899742 is an apocalyptic number.

75899742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75899742 is a wasteful number, since it uses less digits than its factorization.

75899742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649962.

The product of its digits is 1270080, while the sum is 51.

The square root of 75899742 is about 8712.0457987777. The cubic root of 75899742 is about 423.3960154082.

The spelling of 75899742 in words is "seventy-five million, eight hundred ninety-nine thousand, seven hundred forty-two".

Divisors: 1 2 3 6 12649957 25299914 37949871 75899742