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2257550903 = 13150933857
BaseRepresentation
bin1000011010001111…
…0111111000110111
312211022222110122102
42012203313320313
514110413112103
61012003052315
7106641603026
oct20643677067
95738873572
102257550903
11a59368453
1253007109b
1329c93194a
14175b7c8bd
15d32d8e88
hex868f7e37

2257550903 has 8 divisors (see below), whose sum is σ = 2279320560. Its totient is φ = 2235850240.

The previous prime is 2257550879. The next prime is 2257550927. The reversal of 2257550903 is 3090557522.

It is an interprime number because it is at equal distance from previous prime (2257550879) and next prime (2257550927).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2257550903 is a prime.

It is a super-2 number, since 2×22575509032 = 10193072159272230818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257550963) 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 7 ways as a sum of consecutive naturals, for example, 49751 + ... + 83607.

It is an arithmetic number, because the mean of its divisors is an integer number (284915070).

Almost surely, 22257550903 is an apocalyptic number.

2257550903 is a deficient number, since it is larger than the sum of its proper divisors (21769657).

2257550903 is a wasteful number, since it uses less digits than its factorization.

2257550903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34497.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 2257550903 is about 47513.6917424862. The cubic root of 2257550903 is about 1311.8349095686.

The spelling of 2257550903 in words is "two billion, two hundred fifty-seven million, five hundred fifty thousand, nine hundred three".

Divisors: 1 131 509 33857 66679 4435267 17233213 2257550903