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2561053 = 11232823
BaseRepresentation
bin1001110001010000011101
311211010002211
421301100131
51123423203
6130520421
730524425
oct11612035
94733084
102561053
11149a180
12a36111
136b8921
144a9485
15358c6d
hex27141d

2561053 has 4 divisors (see below), whose sum is σ = 2793888. Its totient is φ = 2328220.

The previous prime is 2561051. The next prime is 2561063. The reversal of 2561053 is 3501652.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2561053 - 21 = 2561051 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561051) 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, 116401 + ... + 116422.

It is an arithmetic number, because the mean of its divisors is an integer number (698472).

22561053 is an apocalyptic number.

It is an amenable number.

2561053 is a deficient number, since it is larger than the sum of its proper divisors (232835).

2561053 is a wasteful number, since it uses less digits than its factorization.

2561053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232834.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2561053 is about 1600.3290286688. The cubic root of 2561053 is about 136.8168294617.

The spelling of 2561053 in words is "two million, five hundred sixty-one thousand, fifty-three".

Divisors: 1 11 232823 2561053