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325872225 = 325271131831
BaseRepresentation
bin10011011011000…
…110101001100001
3211201012000122200
4103123012221201
51131410402400
652200323413
711034603540
oct2333065141
9751160580
10325872225
11157a45698
1291173569
1352689003
14313ca157
151d91eb00
hex136c6a61

325872225 has 72 divisors (see below), whose sum is σ = 673325952. Its totient is φ = 147571200.

The previous prime is 325872203. The next prime is 325872227. The reversal of 325872225 is 522278523.

It is a happy number.

325872225 is a `hidden beast` number, since 32 + 587 + 22 + 25 = 666.

It is not a de Polignac number, because 325872225 - 26 = 325872161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325872225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325872227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 177060 + ... + 178890.

Almost surely, 2325872225 is an apocalyptic number.

325872225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

325872225 is an abundant number, since it is smaller than the sum of its proper divisors (347453727).

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

325872225 is a wasteful number, since it uses less digits than its factorization.

325872225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1959 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 325872225 is about 18051.9313371174. The cubic root of 325872225 is about 688.1489453811.

The spelling of 325872225 in words is "three hundred twenty-five million, eight hundred seventy-two thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 113 175 225 315 339 525 565 791 1017 1575 1695 1831 2373 2825 3955 5085 5493 7119 8475 9155 11865 12817 16479 19775 25425 27465 35595 38451 45775 59325 64085 82395 115353 137325 177975 192255 206903 320425 411975 576765 620709 961275 1034515 1448321 1862127 2883825 3103545 4344963 5172575 7241605 9310635 13034889 15517725 21724815 36208025 46553175 65174445 108624075 325872225