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252277092 = 2234778633
BaseRepresentation
bin11110000100101…
…11000101100100
3122120201000010000
433002113011210
51004040331332
641011101300
76152214504
oct1702270544
9576630100
10252277092
1111a449571
12705a1830
134035bcb2
142570da04
1517233b7c
hexf097164

252277092 has 30 divisors (see below), whose sum is σ = 659502998. Its totient is φ = 84092256.

The previous prime is 252277037. The next prime is 252277139. The reversal of 252277092 is 290772252.

It can be written as a sum of positive squares in only one way, i.e., 161951076 + 90326016 = 12726^2 + 9504^2 .

It is a super-2 number, since 2×2522770922 = 127287462295952928, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 388993 + ... + 389640.

Almost surely, 2252277092 is an apocalyptic number.

It is an amenable number.

252277092 is an abundant number, since it is smaller than the sum of its proper divisors (407225906).

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

252277092 is a wasteful number, since it uses less digits than its factorization.

252277092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778649 (or 778638 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 252277092 is about 15883.2330462032. The cubic root of 252277092 is about 631.8673845819.

The spelling of 252277092 in words is "two hundred fifty-two million, two hundred seventy-seven thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 778633 1557266 2335899 3114532 4671798 7007697 9343596 14015394 21023091 28030788 42046182 63069273 84092364 126138546 252277092