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2257849898 = 22287493627
BaseRepresentation
bin1000011010010100…
…0000111000101010
312211100112122210022
42012211000320222
514111002144043
61012013320442
7106644256523
oct20645007052
95740478708
102257849898
11a59552057
12530196122
1329ca07a75
14175c1984a
15d3347868
hex86940e2a

2257849898 has 8 divisors (see below), whose sum is σ = 3388262592. Its totient is φ = 1128429036.

The previous prime is 2257849889. The next prime is 2257849903. The reversal of 2257849898 is 8989487522.

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

It is a super-2 number, since 2×22578498982 = 10195772323797220808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2257849898.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242240 + ... + 251387.

It is an arithmetic number, because the mean of its divisors is an integer number (423532824).

Almost surely, 22257849898 is an apocalyptic number.

2257849898 is a deficient number, since it is larger than the sum of its proper divisors (1130412694).

2257849898 is a wasteful number, since it uses less digits than its factorization.

2257849898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495916.

The product of its digits is 23224320, while the sum is 62.

The square root of 2257849898 is about 47516.8380471597. The cubic root of 2257849898 is about 1311.8928211109.

The spelling of 2257849898 in words is "two billion, two hundred fifty-seven million, eight hundred forty-nine thousand, eight hundred ninety-eight".

Divisors: 1 2 2287 4574 493627 987254 1128924949 2257849898