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2256546 = 231722123
BaseRepresentation
bin1000100110111010100010
311020122101210
420212322202
51034202141
6120210550
725115565
oct10467242
94218353
102256546
111301416
12909a56
13610146
1442a4dc
152e8916
hex226ea2

2256546 has 16 divisors (see below), whose sum is σ = 4778784. Its totient is φ = 707904.

The previous prime is 2256539. The next prime is 2256557. The reversal of 2256546 is 6456522.

It is a d-powerful number, because it can be written as 211 + 221 + 57 + 62 + 57 + 45 + 62 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10960 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (298674).

22256546 is an apocalyptic number.

2256546 is an abundant number, since it is smaller than the sum of its proper divisors (2522238).

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

2256546 is a wasteful number, since it uses less digits than its factorization.

2256546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22145.

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

The square root of 2256546 is about 1502.1804152631. The cubic root of 2256546 is about 131.1640235112.

The spelling of 2256546 in words is "two million, two hundred fifty-six thousand, five hundred forty-six".

Divisors: 1 2 3 6 17 34 51 102 22123 44246 66369 132738 376091 752182 1128273 2256546