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2252613031 = 23793893187
BaseRepresentation
bin1000011001000100…
…0010010110100111
312210222200121011021
42012101002112213
514103132104111
61011305152011
7106551615634
oct20621022647
95728617137
102252613031
11a565a5569
1252a48b607
1329b8c3226
1417525518b
15d2b60d71
hex864425a7

2252613031 has 16 divisors (see below), whose sum is σ = 2387174400. Its totient is φ = 2121264288.

The previous prime is 2252613023. The next prime is 2252613053. The reversal of 2252613031 is 1303162522.

It is a cyclic number.

It is not a de Polignac number, because 2252613031 - 23 = 2252613023 is a prime.

It is a super-2 number, since 2×22526130312 = 10148530934862013922, 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 = 2252612987 and 2252613005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252613061) 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, 705220 + ... + 708406.

It is an arithmetic number, because the mean of its divisors is an integer number (149198400).

Almost surely, 22252613031 is an apocalyptic number.

2252613031 is a deficient number, since it is larger than the sum of its proper divisors (134561369).

2252613031 is a wasteful number, since it uses less digits than its factorization.

2252613031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2252613031 is about 47461.7006753867. The cubic root of 2252613031 is about 1310.8777659353.

Adding to 2252613031 its reverse (1303162522), we get a palindrome (3555775553).

The spelling of 2252613031 in words is "two billion, two hundred fifty-two million, six hundred thirteen thousand, thirty-one".

Divisors: 1 23 79 389 1817 3187 8947 30731 73301 251773 706813 1239743 5790779 28514089 97939697 2252613031