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2552180 = 225127609
BaseRepresentation
bin1001101111000101110100
311210122221012
421233011310
51123132210
6130411352
730456521
oct11570564
94718835
102552180
111493544
12a30b58
136b4887
144a6148
15356305
hex26f174

2552180 has 12 divisors (see below), whose sum is σ = 5359620. Its totient is φ = 1020864.

The previous prime is 2552171. The next prime is 2552183. The reversal of 2552180 is 812552.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 2137444 = 644^2 + 1462^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552183) 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, 63785 + ... + 63824.

It is an arithmetic number, because the mean of its divisors is an integer number (446635).

22552180 is an apocalyptic number.

2552180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552180 is an abundant number, since it is smaller than the sum of its proper divisors (2807440).

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

2552180 is a wasteful number, since it uses less digits than its factorization.

2552180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127618 (or 127616 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2552180 is about 1597.5543809210. The cubic root of 2552180 is about 136.6586418713.

The spelling of 2552180 in words is "two million, five hundred fifty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 127609 255218 510436 638045 1276090 2552180