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2256057725 = 5290242309
BaseRepresentation
bin1000011001111000…
…1011010101111101
312211020011121101112
42012132023111331
514110022321400
61011511051405
7106623113525
oct20636132575
95736147345
102256057725
11a58538619
1252b670b65
1329c52b0cc
141758b0685
15d30e1835
hex8678b57d

2256057725 has 6 divisors (see below), whose sum is σ = 2797511610. Its totient is φ = 1804846160.

The previous prime is 2256057703. The next prime is 2256057751. The reversal of 2256057725 is 5277506522.

It can be written as a sum of positive squares in 3 ways, for example, as 26234884 + 2229822841 = 5122^2 + 47221^2 .

It is not a de Polignac number, because 2256057725 - 210 = 2256056701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45121130 + ... + 45121179.

It is an arithmetic number, because the mean of its divisors is an integer number (466251935).

Almost surely, 22256057725 is an apocalyptic number.

2256057725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2256057725 is a deficient number, since it is larger than the sum of its proper divisors (541453885).

2256057725 is an equidigital number, since it uses as much as digits as its factorization.

2256057725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90242319 (or 90242314 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 2256057725 is about 47497.9760095101. The cubic root of 2256057725 is about 1311.5456233568.

The spelling of 2256057725 in words is "two billion, two hundred fifty-six million, fifty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 90242309 451211545 2256057725