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325867820 = 225137311867
BaseRepresentation
bin10011011011000…
…101100100101100
3211201011210121112
4103123011210230
51131410232240
652200251152
711034554645
oct2333054454
9751153545
10325867820
11157a42353
1291170ab8
1352686cc5
14313c86cc
151d91d665
hex136c592c

325867820 has 24 divisors (see below), whose sum is σ = 684878544. Its totient is φ = 130241216.

The previous prime is 325867819. The next prime is 325867823. The reversal of 325867820 is 28768523.

It is a super-2 number, since 2×3258678202 = 212379672223104800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (325867823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21527 + ... + 33393.

It is an arithmetic number, because the mean of its divisors is an integer number (28536606).

Almost surely, 2325867820 is an apocalyptic number.

It is an amenable number.

325867820 is an abundant number, since it is smaller than the sum of its proper divisors (359010724).

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

325867820 is a wasteful number, since it uses less digits than its factorization.

325867820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249 (or 13247 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 325867820 is about 18051.8093275993. The cubic root of 325867820 is about 688.1458446671.

The spelling of 325867820 in words is "three hundred twenty-five million, eight hundred sixty-seven thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 1373 2746 5492 6865 11867 13730 23734 27460 47468 59335 118670 237340 16293391 32586782 65173564 81466955 162933910 325867820