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2257888942 = 2412671591
BaseRepresentation
bin1000011010010100…
…1010011010101110
312211100121122100101
42012211022122232
514111004421232
61012014221314
7106644511411
oct20645123256
95740548311
102257888942
11a59579421
125301b483a
1329ca1c77a
14175c29b78
15d33541e7
hex8694a6ae

2257888942 has 12 divisors (see below), whose sum is σ = 3471459048. Its totient is φ = 1101407600.

The previous prime is 2257888859. The next prime is 2257888943. The reversal of 2257888942 is 2498887522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257888943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332434 + ... + 339157.

It is an arithmetic number, because the mean of its divisors is an integer number (289288254).

Almost surely, 22257888942 is an apocalyptic number.

2257888942 is a deficient number, since it is larger than the sum of its proper divisors (1213570106).

2257888942 is an equidigital number, since it uses as much as digits as its factorization.

2257888942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671675 (or 671634 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The square root of 2257888942 is about 47517.2488892192. The cubic root of 2257888942 is about 1311.9003830615.

The spelling of 2257888942 in words is "two billion, two hundred fifty-seven million, eight hundred eighty-eight thousand, nine hundred forty-two".

Divisors: 1 2 41 82 1681 3362 671591 1343182 27535231 55070462 1128944471 2257888942