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252334251 = 3313718901
BaseRepresentation
bin11110000101001…
…01000010101011
3122120210220112000
433002211002223
51004044144001
641012222043
76152543241
oct1702450253
9576726460
10252334251
1111a488504
127060a923
134037c010
1425726791
1517245a86
hexf0a50ab

252334251 has 16 divisors (see below), whose sum is σ = 402585120. Its totient is φ = 155282400.

The previous prime is 252334207. The next prime is 252334253. The reversal of 252334251 is 152433252.

It is a happy number.

252334251 is a `hidden beast` number, since 2 + 5 + 233 + 425 + 1 = 666.

It is not a de Polignac number, because 252334251 - 27 = 252334123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (252334253) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 359100 + ... + 359801.

It is an arithmetic number, because the mean of its divisors is an integer number (25161570).

Almost surely, 2252334251 is an apocalyptic number.

252334251 is a deficient number, since it is larger than the sum of its proper divisors (150250869).

252334251 is a wasteful number, since it uses less digits than its factorization.

252334251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718923 (or 718917 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 252334251 is about 15885.0322945847. The cubic root of 252334251 is about 631.9151021929.

Subtracting from 252334251 its reverse (152433252), we obtain a palindrome (99900999).

The spelling of 252334251 in words is "two hundred fifty-two million, three hundred thirty-four thousand, two hundred fifty-one".

Divisors: 1 3 9 13 27 39 117 351 718901 2156703 6470109 9345713 19410327 28037139 84111417 252334251