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252205360 = 24511463619
BaseRepresentation
bin11110000100001…
…01100100110000
3122120120100201021
433002011210300
51004031032420
641005345224
76151465411
oct1702054460
9576510637
10252205360
1111a3aa690
1270568214
1340335454
14256d1808
151721c7aa
hexf085930

252205360 has 80 divisors (see below), whose sum is σ = 642101760. Its totient is φ = 91365120.

The previous prime is 252205339. The next prime is 252205381. The reversal of 252205360 is 63502252.

252205360 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252205339) and next prime (252205381).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2522053602 = 127215087225459200, which contains 22 as substring.

It is an unprimeable number.

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, 407131 + ... + 407749.

It is an arithmetic number, because the mean of its divisors is an integer number (8026272).

Almost surely, 2252205360 is an apocalyptic number.

252205360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252205360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321050880).

252205360 is an abundant number, since it is smaller than the sum of its proper divisors (389896400).

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

252205360 is a wasteful number, since it uses less digits than its factorization.

252205360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 252205360 is about 15880.9747811650. The cubic root of 252205360 is about 631.8074909051.

The spelling of 252205360 in words is "two hundred fifty-two million, two hundred five thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 463 619 880 926 1238 1852 2315 2476 3095 3704 4630 4952 5093 6190 6809 7408 9260 9904 10186 12380 13618 18520 20372 24760 25465 27236 34045 37040 40744 49520 50930 54472 68090 81488 101860 108944 136180 203720 272360 286597 407440 544720 573194 1146388 1432985 2292776 2865970 3152567 4585552 5731940 6305134 11463880 12610268 15762835 22927760 25220536 31525670 50441072 63051340 126102680 252205360