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75085700 = 2252750857
BaseRepresentation
bin1000111100110…
…11011110000100
312020021202012212
410132123132010
5123210220300
611241202552
71601134514
oct436333604
9166252185
1075085700
1139424aa8
1221190458
131272c611
149d87844
1568d2935
hex479b784

75085700 has 18 divisors (see below), whose sum is σ = 162936186. Its totient is φ = 30034240.

The previous prime is 75085687. The next prime is 75085709. The reversal of 75085700 is 758057.

It can be written as a sum of positive squares in 3 ways, for example, as 988036 + 74097664 = 994^2 + 8608^2 .

It is not an unprimeable number, because it can be changed into a prime (75085709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 375329 + ... + 375528.

Almost surely, 275085700 is an apocalyptic number.

It is an amenable number.

75085700 is an abundant number, since it is smaller than the sum of its proper divisors (87850486).

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

75085700 is a wasteful number, since it uses less digits than its factorization.

75085700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750871 (or 750864 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 75085700 is about 8665.2005170106. The cubic root of 75085700 is about 421.8768985740.

The spelling of 75085700 in words is "seventy-five million, eighty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 750857 1501714 3003428 3754285 7508570 15017140 18771425 37542850 75085700