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2231045256 = 2331147179807
BaseRepresentation
bin1000010011111011…
…0000110010001000
312202111002211201210
42010332300302020
514032121422011
61005215013120
7106200400056
oct20476606210
95674084653
102231045256
11a45404360
1252320a1a0
132972b132b
1417243d1d6
15d0d006a6
hex84fb0c88

2231045256 has 64 divisors (see below), whose sum is σ = 6214164480. Its totient is φ = 661686080.

The previous prime is 2231045251. The next prime is 2231045273. The reversal of 2231045256 is 6525401322.

It is a super-3 number, since 3×22310452563 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231045251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77496 + ... + 102311.

It is an arithmetic number, because the mean of its divisors is an integer number (97096320).

Almost surely, 22231045256 is an apocalyptic number.

It is an amenable number.

2231045256 is an abundant number, since it is smaller than the sum of its proper divisors (3983119224).

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

2231045256 is a wasteful number, since it uses less digits than its factorization.

2231045256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179874 (or 179870 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2231045256 is about 47233.9417791909. The cubic root of 2231045256 is about 1306.6806502159.

Adding to 2231045256 its reverse (6525401322), we get a palindrome (8756446578).

The spelling of 2231045256 in words is "two billion, two hundred thirty-one million, forty-five thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 47 66 88 94 132 141 188 264 282 376 517 564 1034 1128 1551 2068 3102 4136 6204 12408 179807 359614 539421 719228 1078842 1438456 1977877 2157684 3955754 4315368 5933631 7911508 8450929 11867262 15823016 16901858 23734524 25352787 33803716 47469048 50705574 67607432 92960219 101411148 185920438 202822296 278880657 371840876 557761314 743681752 1115522628 2231045256