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75605052 = 22317370613
BaseRepresentation
bin1001000000110…
…10010000111100
312021021010122010
410200122100330
5123323330202
611300251220
71605426615
oct440322074
9167233563
1075605052
113974a216
12213a0b10
1312881b23
14a080c0c
15698676c
hex481a43c

75605052 has 24 divisors (see below), whose sum is σ = 186789456. Its totient is φ = 23719168.

The previous prime is 75605039. The next prime is 75605053. The reversal of 75605052 is 25050657.

It is a super-2 number, since 2×756050522 = 11432247775845408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75605053) 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, 185103 + ... + 185510.

It is an arithmetic number, because the mean of its divisors is an integer number (7782894).

Almost surely, 275605052 is an apocalyptic number.

It is an amenable number.

75605052 is an abundant number, since it is smaller than the sum of its proper divisors (111184404).

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

75605052 is a wasteful number, since it uses less digits than its factorization.

75605052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370637 (or 370635 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 75605052 is about 8695.1165604608. The cubic root of 75605052 is about 422.8473424848.

The spelling of 75605052 in words is "seventy-five million, six hundred five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 370613 741226 1111839 1482452 2223678 4447356 6300421 12600842 18901263 25201684 37802526 75605052