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252334631 = 873128901
BaseRepresentation
bin11110000101001…
…01001000100111
3122120210221001002
433002211020213
51004044202011
641012223515
76152544323
oct1702451047
9576727032
10252334631
1111a48881a
127060ab9b
134037c243
1425726983
1517245c3b
hexf0a5227

252334631 has 4 divisors (see below), whose sum is σ = 252372264. Its totient is φ = 252297000.

The previous prime is 252334627. The next prime is 252334661. The reversal of 252334631 is 136433252.

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 252334631 - 22 = 252334627 is a prime.

It is a super-2 number, since 2×2523346312 = 127345532003812322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252334594 and 252334603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252334601) 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 3 ways as a sum of consecutive naturals, for example, 5720 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (63093066).

Almost surely, 2252334631 is an apocalyptic number.

252334631 is a deficient number, since it is larger than the sum of its proper divisors (37633).

252334631 is an equidigital number, since it uses as much as digits as its factorization.

252334631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37632.

The product of its digits is 12960, while the sum is 29.

The square root of 252334631 is about 15885.0442555254. The cubic root of 252334631 is about 631.9154194013.

Adding to 252334631 its reverse (136433252), we get a palindrome (388767883).

The spelling of 252334631 in words is "two hundred fifty-two million, three hundred thirty-four thousand, six hundred thirty-one".

Divisors: 1 8731 28901 252334631