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252264443 = 569443347
BaseRepresentation
bin11110000100100…
…11111111111011
3122120200100202112
433002103333323
51004034430233
641010522535
76152132564
oct1702237773
9576610675
10252264443
1111a440012
127059644b
1340356302
142570916b
1517230048
hexf093ffb

252264443 has 4 divisors (see below), whose sum is σ = 252708360. Its totient is φ = 251820528.

The previous prime is 252264433. The next prime is 252264449. The reversal of 252264443 is 344462252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252264443 - 24 = 252264427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252264449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221105 + ... + 222242.

It is an arithmetic number, because the mean of its divisors is an integer number (63177090).

Almost surely, 2252264443 is an apocalyptic number.

252264443 is a deficient number, since it is larger than the sum of its proper divisors (443917).

252264443 is an equidigital number, since it uses as much as digits as its factorization.

252264443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443916.

The product of its digits is 46080, while the sum is 32.

The square root of 252264443 is about 15882.8348540177. The cubic root of 252264443 is about 631.8568239399.

The spelling of 252264443 in words is "two hundred fifty-two million, two hundred sixty-four thousand, four hundred forty-three".

Divisors: 1 569 443347 252264443