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252338220 = 22335467293
BaseRepresentation
bin11110000101001…
…10000000101100
3122120211002222000
433002212000230
51004044310340
641012252300
76152560641
oct1702460054
9576732860
10252338220
1111a490492
1270611090
1340380a74
1425727dc8
1517246d30
hexf0a602c

252338220 has 48 divisors (see below), whose sum is σ = 785053920. Its totient is φ = 67290048.

The previous prime is 252338213. The next prime is 252338227. The reversal of 252338220 is 22833252.

It is an interprime number because it is at equal distance from previous prime (252338213) and next prime (252338227).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (252338227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233107 + ... + 234186.

It is an arithmetic number, because the mean of its divisors is an integer number (16355290).

Almost surely, 2252338220 is an apocalyptic number.

252338220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252338220 is an abundant number, since it is smaller than the sum of its proper divisors (532715700).

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

252338220 is a wasteful number, since it uses less digits than its factorization.

252338220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467311 (or 467303 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 252338220 is about 15885.1572230180. The cubic root of 252338220 is about 631.9184153353.

The spelling of 252338220 in words is "two hundred fifty-two million, three hundred thirty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 467293 934586 1401879 1869172 2336465 2803758 4205637 4672930 5607516 7009395 8411274 9345860 12616911 14018790 16822548 21028185 25233822 28037580 42056370 50467644 63084555 84112740 126169110 252338220