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325877940 = 223251810433
BaseRepresentation
bin10011011011001…
…000000010110100
3211201012022111100
4103123020002310
51131411043230
652200410100
711034626313
oct2333100264
9751168440
10325877940
11157a49a13
1291176930
135268b7ab
14313cc27a
151d921660
hex136c80b4

325877940 has 36 divisors (see below), whose sum is σ = 988496964. Its totient is φ = 86900736.

The previous prime is 325877939. The next prime is 325877957. The reversal of 325877940 is 49778523.

It can be written as a sum of positive squares in 2 ways, for example, as 104284944 + 221592996 = 10212^2 + 14886^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 905037 + ... + 905396.

It is an arithmetic number, because the mean of its divisors is an integer number (27458249).

Almost surely, 2325877940 is an apocalyptic number.

325877940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325877940 is an abundant number, since it is smaller than the sum of its proper divisors (662619024).

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

325877940 is a wasteful number, since it uses less digits than its factorization.

325877940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810448 (or 1810443 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 325877940 is about 18052.0896297354. The cubic root of 325877940 is about 688.1529681728.

The spelling of 325877940 in words is "three hundred twenty-five million, eight hundred seventy-seven thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1810433 3620866 5431299 7241732 9052165 10862598 16293897 18104330 21725196 27156495 32587794 36208660 54312990 65175588 81469485 108625980 162938970 325877940