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2256956 = 221343403
BaseRepresentation
bin1000100111000000111100
311020122221222
420213000330
51034210311
6120212512
725120022
oct10470074
94218858
102256956
111301759
1290a138
136103a0
1442a712
152e8adb
hex22703c

2256956 has 12 divisors (see below), whose sum is σ = 4253592. Its totient is φ = 1041648.

The previous prime is 2256931. The next prime is 2256959. The reversal of 2256956 is 6596522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21650 + ... + 21753.

It is an arithmetic number, because the mean of its divisors is an integer number (354466).

22256956 is an apocalyptic number.

2256956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2256956 is a deficient number, since it is larger than the sum of its proper divisors (1996636).

2256956 is a wasteful number, since it uses less digits than its factorization.

2256956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43420 (or 43418 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 2256956 is about 1502.3168773598. The cubic root of 2256956 is about 131.1719669187.

The spelling of 2256956 in words is "two million, two hundred fifty-six thousand, nine hundred fifty-six".

Divisors: 1 2 4 13 26 52 43403 86806 173612 564239 1128478 2256956