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325050640 = 2454063133
BaseRepresentation
bin10011010111111…
…110000100010000
3211122122021122121
4103113332010100
51131203110030
652130544024
711024612335
oct2327760420
9748567577
10325050640
111575343a2
1290a38014
135245c075
143125498c
151d80b47a
hex135fe110

325050640 has 20 divisors (see below), whose sum is σ = 755742924. Its totient is φ = 130020224.

The previous prime is 325050629. The next prime is 325050703. The reversal of 325050640 is 46050523.

It can be written as a sum of positive squares in 2 ways, for example, as 192432384 + 132618256 = 13872^2 + 11516^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 2031487 + ... + 2031646.

Almost surely, 2325050640 is an apocalyptic number.

It is an amenable number.

325050640 is an abundant number, since it is smaller than the sum of its proper divisors (430692284).

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

325050640 is a wasteful number, since it uses less digits than its factorization.

325050640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063146 (or 4063140 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 325050640 is about 18029.1608235103. The cubic root of 325050640 is about 687.5701411633.

The spelling of 325050640 in words is "three hundred twenty-five million, fifty thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4063133 8126266 16252532 20315665 32505064 40631330 65010128 81262660 162525320 325050640