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2257457682 = 232316358389
BaseRepresentation
bin1000011010001110…
…0001001000010010
312211022210201202210
42012203201020102
514110402121212
61012001052550
7106641034164
oct20643411022
95738721683
102257457682
11a59304407
12530027156
1329c8cb39c
14175b56934
15d32bb53c
hex868e1212

2257457682 has 16 divisors (see below), whose sum is σ = 4711216320. Its totient is φ = 719769072.

The previous prime is 2257457681. The next prime is 2257457711. The reversal of 2257457682 is 2867547522.

It is a super-2 number, since 2×22574576822 = 10192230372041626248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2257457681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8179057 + ... + 8179332.

It is an arithmetic number, because the mean of its divisors is an integer number (294451020).

Almost surely, 22257457682 is an apocalyptic number.

2257457682 is an abundant number, since it is smaller than the sum of its proper divisors (2453758638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2257457682 is a wasteful number, since it uses less digits than its factorization.

2257457682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16358417.

The product of its digits is 1881600, while the sum is 48.

The square root of 2257457682 is about 47512.7107414427. The cubic root of 2257457682 is about 1311.8168527967.

The spelling of 2257457682 in words is "two billion, two hundred fifty-seven million, four hundred fifty-seven thousand, six hundred eighty-two".

Divisors: 1 2 3 6 23 46 69 138 16358389 32716778 49075167 98150334 376242947 752485894 1128728841 2257457682