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252059979 = 384019993
BaseRepresentation
bin11110000011000…
…10000101001011
3122120021222021210
433001202011023
51004011404404
641002304203
76150321513
oct1701420513
9576258253
10252059979
1111a310436
12704b8063
13402b4222
1425694843
15171de689
hexf06214b

252059979 has 4 divisors (see below), whose sum is σ = 336079976. Its totient is φ = 168039984.

The previous prime is 252059971. The next prime is 252060031. The reversal of 252059979 is 979950252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 252059979 - 23 = 252059971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252059971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42009994 + ... + 42009999.

It is an arithmetic number, because the mean of its divisors is an integer number (84019994).

Almost surely, 2252059979 is an apocalyptic number.

252059979 is a deficient number, since it is larger than the sum of its proper divisors (84019997).

252059979 is an equidigital number, since it uses as much as digits as its factorization.

252059979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84019996.

The product of its (nonzero) digits is 510300, while the sum is 48.

The square root of 252059979 is about 15876.3969149174. The cubic root of 252059979 is about 631.6860680830.

The spelling of 252059979 in words is "two hundred fifty-two million, fifty-nine thousand, nine hundred seventy-nine".

Divisors: 1 3 84019993 252059979