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2553630 = 23585121
BaseRepresentation
bin1001101111011100011110
311210201220220
421233130132
51123204010
6130422210
730463662
oct11573436
94721826
102553630
111494642
12a31966
136b5431
144a68a2
15356970
hex26f71e

2553630 has 16 divisors (see below), whose sum is σ = 6128784. Its totient is φ = 680960.

The previous prime is 2553611. The next prime is 2553631. The reversal of 2553630 is 363552.

It is a self number, because there is not a number n which added to its sum of digits gives 2553630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553631) 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, 42531 + ... + 42590.

It is an arithmetic number, because the mean of its divisors is an integer number (383049).

22553630 is an apocalyptic number.

2553630 is an abundant number, since it is smaller than the sum of its proper divisors (3575154).

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

2553630 is a wasteful number, since it uses less digits than its factorization.

2553630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85131.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 2553630 is about 1598.0081351483. The cubic root of 2553630 is about 136.6845174647.

The spelling of 2553630 in words is "two million, five hundred fifty-three thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 85121 170242 255363 425605 510726 851210 1276815 2553630