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325012540 = 225234911439
BaseRepresentation
bin10011010111110…
…100110000111100
3211122120100101111
4103113310300330
51131200400130
652130051404
711024363266
oct2327646074
9748510344
10325012540
11157508806
1290a19b64
1352447918
1431244b36
151d80002a
hex135f4c3c

325012540 has 48 divisors (see below), whose sum is σ = 714147840. Its totient is φ = 124013120.

The previous prime is 325012489. The next prime is 325012543. The reversal of 325012540 is 45210523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325012543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225141 + ... + 226579.

It is an arithmetic number, because the mean of its divisors is an integer number (14878080).

Almost surely, 2325012540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325012540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357073920).

325012540 is an abundant number, since it is smaller than the sum of its proper divisors (389135300).

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

325012540 is a wasteful number, since it uses less digits than its factorization.

325012540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 325012540 is about 18028.1041709881. The cubic root of 325012540 is about 687.5432761739.

The spelling of 325012540 in words is "three hundred twenty-five million, twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 491 982 1439 1964 2455 2878 4910 5756 7195 9820 11293 14390 22586 28780 33097 45172 56465 66194 112930 132388 165485 225860 330970 661940 706549 1413098 2826196 3532745 7065490 14130980 16250627 32501254 65002508 81253135 162506270 325012540