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252454028 = 22109579023
BaseRepresentation
bin11110000110000…
…10010010001100
3122121000222211012
433003002102030
51004112012103
641014544352
76153552401
oct1703022214
9577028735
10252454028
1111a55a4a2
12706680b8
13403c16a8
14257582a8
151726b2d8
hexf0c248c

252454028 has 12 divisors (see below), whose sum is σ = 445848480. Its totient is φ = 125068752.

The previous prime is 252454009. The next prime is 252454093. The reversal of 252454028 is 820454252.

It is a junction number, because it is equal to n+sod(n) for n = 252453985 and 252454003.

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 3 ways as a sum of consecutive naturals, for example, 289076 + ... + 289947.

It is an arithmetic number, because the mean of its divisors is an integer number (37154040).

Almost surely, 2252454028 is an apocalyptic number.

It is an amenable number.

252454028 is a deficient number, since it is larger than the sum of its proper divisors (193394452).

252454028 is a wasteful number, since it uses less digits than its factorization.

252454028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579136 (or 579134 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 252454028 is about 15888.8019686822. The cubic root of 252454028 is about 632.0150713438.

The spelling of 252454028 in words is "two hundred fifty-two million, four hundred fifty-four thousand, twenty-eight".

Divisors: 1 2 4 109 218 436 579023 1158046 2316092 63113507 126227014 252454028