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252725310 = 23252808059
BaseRepresentation
bin11110001000001…
…00100000111110
3122121112202221200
433010010200332
51004144202220
641024440330
76156062325
oct1704044076
9577482850
10252725310
1111a7252a2
12707790a6
1340488006
14257c90bc
15172c1890
hexf10483e

252725310 has 24 divisors (see below), whose sum is σ = 657086040. Its totient is φ = 67393392.

The previous prime is 252725293. The next prime is 252725351. The reversal of 252725310 is 13527252.

It is a super-2 number, since 2×2527253102 = 127740164629192200, which contains 22 as substring.

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, 1403940 + ... + 1404119.

It is an arithmetic number, because the mean of its divisors is an integer number (27378585).

Almost surely, 2252725310 is an apocalyptic number.

252725310 is an abundant number, since it is smaller than the sum of its proper divisors (404360730).

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

252725310 is a wasteful number, since it uses less digits than its factorization.

252725310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808072 (or 2808069 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 252725310 is about 15897.3365693754. The cubic root of 252725310 is about 632.2413738470.

The spelling of 252725310 in words is "two hundred fifty-two million, seven hundred twenty-five thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2808059 5616118 8424177 14040295 16848354 25272531 28080590 42120885 50545062 84241770 126362655 252725310