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2500580 = 225125029
BaseRepresentation
bin1001100010011111100100
311201001011002
421202133210
51120004310
6125332432
730153215
oct11423744
94631132
102500580
1114587a5
12a07118
13697244
1449140c
15345da5
hex2627e4

2500580 has 12 divisors (see below), whose sum is σ = 5251260. Its totient is φ = 1000224.

The previous prime is 2500559. The next prime is 2500591. The reversal of 2500580 is 850052.

2500580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 1364224 = 1066^2 + 1168^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 125029 = 2500580 / (2 + 5 + 0 + 0 + 5 + 8 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62495 + ... + 62534.

It is an arithmetic number, because the mean of its divisors is an integer number (437605).

22500580 is an apocalyptic number.

2500580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500580 is an abundant number, since it is smaller than the sum of its proper divisors (2750680).

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

2500580 is a wasteful number, since it uses less digits than its factorization.

2500580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125038 (or 125036 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2500580 is about 1581.3222315518. The cubic root of 2500580 is about 135.7313757663.

The spelling of 2500580 in words is "two million, five hundred thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 125029 250058 500116 625145 1250290 2500580