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252796851 = 32171652267
BaseRepresentation
bin11110001000101…
…01111110110011
3122121200102002100
433010111332303
51004203444401
641030151443
76156511026
oct1704257663
9577612070
10252796851
1111a77401a
12707b2583
13404b1748
14258071bd
15172d7b86
hexf115fb3

252796851 has 12 divisors (see below), whose sum is σ = 386630712. Its totient is φ = 158617536.

The previous prime is 252796823. The next prime is 252796861. The reversal of 252796851 is 158697252.

It is not a de Polignac number, because 252796851 - 29 = 252796339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252796797 and 252796806.

It is not an unprimeable number, because it can be changed into a prime (252796811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825981 + ... + 826286.

It is an arithmetic number, because the mean of its divisors is an integer number (32219226).

Almost surely, 2252796851 is an apocalyptic number.

252796851 is a deficient number, since it is larger than the sum of its proper divisors (133833861).

252796851 is a wasteful number, since it uses less digits than its factorization.

252796851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652290 (or 1652287 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 252796851 is about 15899.5865040573. The cubic root of 252796851 is about 632.3010261138.

The spelling of 252796851 in words is "two hundred fifty-two million, seven hundred ninety-six thousand, eight hundred fifty-one".

Divisors: 1 3 9 17 51 153 1652267 4956801 14870403 28088539 84265617 252796851