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252075564 = 22351319949
BaseRepresentation
bin11110000011001…
…01111000101100
3122120022202200000
433001211320230
51004012404224
641002504300
76150415116
oct1701457054
9576282600
10252075564
1111a321114
1270505090
13402bb350
142569a3b6
15171e40c9
hexf065e2c

252075564 has 72 divisors (see below), whose sum is σ = 711656400. Its totient is φ = 77557824.

The previous prime is 252075557. The next prime is 252075587. The reversal of 252075564 is 465570252.

252075564 is a `hidden beast` number, since 2 + 5 + 20 + 75 + 564 = 666.

252075564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2662 + ... + 22610.

Almost surely, 2252075564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252075564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355828200).

252075564 is an abundant number, since it is smaller than the sum of its proper divisors (459580836).

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

252075564 is a wasteful number, since it uses less digits than its factorization.

252075564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19981 (or 19967 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 252075564 is about 15876.8877302827. The cubic root of 252075564 is about 631.6990869744.

The spelling of 252075564 in words is "two hundred fifty-two million, seventy-five thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 243 324 351 468 486 702 972 1053 1404 2106 3159 4212 6318 12636 19949 39898 59847 79796 119694 179541 239388 259337 359082 518674 538623 718164 778011 1037348 1077246 1556022 1615869 2154492 2334033 3112044 3231738 4668066 4847607 6463476 7002099 9336132 9695214 14004198 19390428 21006297 28008396 42012594 63018891 84025188 126037782 252075564