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75498740 = 22528313339
BaseRepresentation
bin1001000000000…
…00010011110100
312021001201210122
410200000103310
5123311424430
611254111112
71604504642
oct440002364
9167051718
1075498740
1139687359
122134b498
1312845615
14a054192
156964ee5
hex48004f4

75498740 has 24 divisors (see below), whose sum is σ = 159119520. Its totient is φ = 30090528.

The previous prime is 75498739. The next prime is 75498763. The reversal of 75498740 is 4789457.

It is a junction number, because it is equal to n+sod(n) for n = 75498691 and 75498700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 12329.

It is an arithmetic number, because the mean of its divisors is an integer number (6629980).

Almost surely, 275498740 is an apocalyptic number.

It is an amenable number.

75498740 is an abundant number, since it is smaller than the sum of its proper divisors (83620780).

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

75498740 is a wasteful number, since it uses less digits than its factorization.

75498740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13631 (or 13629 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 75498740 is about 8689.0010933363. The cubic root of 75498740 is about 422.6490539995.

The spelling of 75498740 in words is "seventy-five million, four hundred ninety-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 283 566 1132 1415 2830 5660 13339 26678 53356 66695 133390 266780 3774937 7549874 15099748 18874685 37749370 75498740