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2551260 = 2235101421
BaseRepresentation
bin1001101110110111011100
311210121200010
421232313130
51123120020
6130403220
730454035
oct11566734
94717603
102551260
111492888
12a30510
136b432a
144a5a8c
15355de0
hex26eddc

2551260 has 48 divisors (see below), whose sum is σ = 7231392. Its totient is φ = 672000.

The previous prime is 2551249. The next prime is 2551273. The reversal of 2551260 is 621552.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5850 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (150654).

22551260 is an apocalyptic number.

2551260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3615696).

2551260 is an abundant number, since it is smaller than the sum of its proper divisors (4680132).

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

2551260 is a wasteful number, since it uses less digits than its factorization.

2551260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2551260 is about 1597.2664148476. The cubic root of 2551260 is about 136.6422191712.

The spelling of 2551260 in words is "two million, five hundred fifty-one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 101 202 303 404 421 505 606 842 1010 1212 1263 1515 1684 2020 2105 2526 3030 4210 5052 6060 6315 8420 12630 25260 42521 85042 127563 170084 212605 255126 425210 510252 637815 850420 1275630 2551260