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2556484 = 22791303
BaseRepresentation
bin1001110000001001000100
311210212211121
421300021010
51123301414
6130443324
730505210
oct11601104
94725747
102556484
1114967a7
12a33544
136b6818
144a7940
15357724
hex270244

2556484 has 12 divisors (see below), whose sum is σ = 5113024. Its totient is φ = 1095624.

The previous prime is 2556467. The next prime is 2556487. The reversal of 2556484 is 4846552.

2556484 is an admirable number.

It is a super-2 number, since 2×25564842 = 13071220884512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2556487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45624 + ... + 45679.

22556484 is an apocalyptic number.

It is an amenable number.

2556484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2556484 is a wasteful number, since it uses less digits than its factorization.

2556484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91314 (or 91312 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 2556484 is about 1598.9008724746. The cubic root of 2556484 is about 136.7354191714.

The spelling of 2556484 in words is "two million, five hundred fifty-six thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 91303 182606 365212 639121 1278242 2556484