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252377808 = 24317892939
BaseRepresentation
bin11110000101011…
…11101011010000
3122120220010021020
433002233223100
51004102042213
641013155440
76153114234
oct1702575320
9576803236
10252377808
1111a508201
127062bb80
1340395aa7
14257385c4
1517253923
hexf0afad0

252377808 has 40 divisors (see below), whose sum is σ = 652562400. Its totient is φ = 84050304.

The previous prime is 252377791. The next prime is 252377813. The reversal of 252377808 is 808773252.

It is a self number, because there is not a number n which added to its sum of digits gives 252377808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84403 + ... + 87341.

It is an arithmetic number, because the mean of its divisors is an integer number (16314060).

Almost surely, 2252377808 is an apocalyptic number.

It is an amenable number.

252377808 is an abundant number, since it is smaller than the sum of its proper divisors (400184592).

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

252377808 is a wasteful number, since it uses less digits than its factorization.

252377808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 252377808 is about 15886.4032430251. The cubic root of 252377808 is about 631.9514597127.

The spelling of 252377808 in words is "two hundred fifty-two million, three hundred seventy-seven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1789 2939 3578 5367 5878 7156 8817 10734 11756 14312 17634 21468 23512 28624 35268 42936 47024 70536 85872 141072 5257871 10515742 15773613 21031484 31547226 42062968 63094452 84125936 126188904 252377808