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2257501894 = 28313599409
BaseRepresentation
bin1000011010001110…
…1011111011000110
312211022212222102021
42012203223323012
514110410030034
61012002033354
7106641310114
oct20643537306
95738788367
102257501894
11a5933464a
1253004885a
1329c91554b
14175b68ab4
15d32c96b4
hex868ebec6

2257501894 has 8 divisors (see below), whose sum is σ = 3427051320. Its totient is φ = 1115151456.

The previous prime is 2257501877. The next prime is 2257501913. The reversal of 2257501894 is 4981057522.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2257501894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6799539 + ... + 6799870.

It is an arithmetic number, because the mean of its divisors is an integer number (428381415).

Almost surely, 22257501894 is an apocalyptic number.

2257501894 is a deficient number, since it is larger than the sum of its proper divisors (1169549426).

2257501894 is a wasteful number, since it uses less digits than its factorization.

2257501894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599494.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2257501894 is about 47513.1760041359. The cubic root of 2257501894 is about 1311.8254166587.

The spelling of 2257501894 in words is "two billion, two hundred fifty-seven million, five hundred one thousand, eight hundred ninety-four".

Divisors: 1 2 83 166 13599409 27198818 1128750947 2257501894