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2257038172 = 22564259543
BaseRepresentation
bin1000011010000111…
…1010101101011100
312211022000102022101
42012201322231130
514110300210142
61011544054444
7106634336134
oct20641725534
95738012271
102257038172
11a59048204
1252ba64424
1329c7b245c
14175a87ac4
15d32370b7
hex8687ab5c

2257038172 has 6 divisors (see below), whose sum is σ = 3949816808. Its totient is φ = 1128519084.

The previous prime is 2257038109. The next prime is 2257038181. The reversal of 2257038172 is 2718307522.

2257038172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22570381723 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282129768 + ... + 282129775.

Almost surely, 22257038172 is an apocalyptic number.

It is an amenable number.

2257038172 is a deficient number, since it is larger than the sum of its proper divisors (1692778636).

2257038172 is a wasteful number, since it uses less digits than its factorization.

2257038172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564259547 (or 564259545 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 2257038172 is about 47508.2958229402. The cubic root of 2257038172 is about 1311.7355881680.

The spelling of 2257038172 in words is "two billion, two hundred fifty-seven million, thirty-eight thousand, one hundred seventy-two".

Divisors: 1 2 4 564259543 1128519086 2257038172