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75380852 = 2279238547
BaseRepresentation
bin1000111111000…
…11100001110100
312020211202002102
410133203201310
5123244141402
611251401232
71603504151
oct437434164
9166752072
1075380852
1139606828
12212b3218
1312803a71
14a023228
156940102
hex47e3874

75380852 has 12 divisors (see below), whose sum is σ = 133586880. Its totient is φ = 37213176.

The previous prime is 75380843. The next prime is 75380869. The reversal of 75380852 is 25808357.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118958 + ... + 119589.

It is an arithmetic number, because the mean of its divisors is an integer number (11132240).

Almost surely, 275380852 is an apocalyptic number.

It is an amenable number.

75380852 is a deficient number, since it is larger than the sum of its proper divisors (58206028).

75380852 is a wasteful number, since it uses less digits than its factorization.

75380852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238630 (or 238628 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 75380852 is about 8682.2146944199. The cubic root of 75380852 is about 422.4289566950.

The spelling of 75380852 in words is "seventy-five million, three hundred eighty thousand, eight hundred fifty-two".

Divisors: 1 2 4 79 158 316 238547 477094 954188 18845213 37690426 75380852