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325131140 = 225137118661
BaseRepresentation
bin10011011000010…
…001101110000100
3211122210101002002
4103120101232010
51131213144030
652132404432
711025366125
oct2330215604
9748711062
10325131140
11157589924
1290a76718
13524898b9
143127604c
151d825245
hex13611b84

325131140 has 24 divisors (see below), whose sum is σ = 687764952. Its totient is φ = 129102080.

The previous prime is 325131133. The next prime is 325131161. The reversal of 325131140 is 41131523.

325131140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 42823936 + 282307204 = 6544^2 + 16802^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 56591 + ... + 62070.

It is an arithmetic number, because the mean of its divisors is an integer number (28656873).

Almost surely, 2325131140 is an apocalyptic number.

It is an amenable number.

325131140 is an abundant number, since it is smaller than the sum of its proper divisors (362633812).

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

325131140 is a wasteful number, since it uses less digits than its factorization.

325131140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118807 (or 118805 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 325131140 is about 18031.3931796742. The cubic root of 325131140 is about 687.6268962459.

Adding to 325131140 its reverse (41131523), we get a palindrome (366262663).

The spelling of 325131140 in words is "three hundred twenty-five million, one hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 118661 237322 474644 593305 1186610 2373220 16256557 32513114 65026228 81282785 162565570 325131140