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75390968 = 239423871
BaseRepresentation
bin1000111111001…
…01111111111000
312020212020222002
410133211333320
5123300002333
611251520132
71603545512
oct437457770
9166766862
1075390968
1139613394
12212b9048
1312808553
14a026bb2
1569430e8
hex47e5ff8

75390968 has 8 divisors (see below), whose sum is σ = 141358080. Its totient is φ = 37695480.

The previous prime is 75390949. The next prime is 75390979. The reversal of 75390968 is 86909357.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4711928 + ... + 4711943.

It is an arithmetic number, because the mean of its divisors is an integer number (17669760).

Almost surely, 275390968 is an apocalyptic number.

It is an amenable number.

75390968 is a deficient number, since it is larger than the sum of its proper divisors (65967112).

75390968 is a wasteful number, since it uses less digits than its factorization.

75390968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423877 (or 9423873 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 75390968 is about 8682.7972451279. The cubic root of 75390968 is about 422.4478522990.

The spelling of 75390968 in words is "seventy-five million, three hundred ninety thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 9423871 18847742 37695484 75390968