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2565260 = 225472729
BaseRepresentation
bin1001110010010010001100
311211022212122
421302102030
51124042020
6130552112
730542615
oct11622214
94738778
102565260
1114a2355
12a38638
136ba809
144aac0c
1535a125
hex27248c

2565260 has 24 divisors (see below), whose sum is σ = 5503680. Its totient is φ = 1003904.

The previous prime is 2565257. The next prime is 2565263. The reversal of 2565260 is 625652.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2565257) and next prime (2565263).

It is a super-3 number, since 3×25652603 = 50642533322098728000, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2565263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425 + ... + 2304.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

22565260 is an apocalyptic number.

2565260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2565260 is an abundant number, since it is smaller than the sum of its proper divisors (2938420).

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

2565260 is a wasteful number, since it uses less digits than its factorization.

2565260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2565260 is about 1601.6429065182. The cubic root of 2565260 is about 136.8917040698.

The spelling of 2565260 in words is "two million, five hundred sixty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 2729 5458 10916 13645 27290 54580 128263 256526 513052 641315 1282630 2565260