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2522389 = 5994211
BaseRepresentation
bin1001100111110100010101
311202011001211
421213310111
51121204024
6130021421
730303622
oct11476425
94664054
102522389
111473121
12a17871
136a414c
14499349
1534c594
hex267d15

2522389 has 4 divisors (see below), whose sum is σ = 2527200. Its totient is φ = 2517580.

The previous prime is 2522381. The next prime is 2522393. The reversal of 2522389 is 9832252.

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 2522389 - 23 = 2522381 is a prime.

It is a super-3 number, since 3×25223893 = 48145693433344649607, which contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 214 + 56 + 217 + 221 + 3 + 86 + 9 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2522389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522381) 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, 1507 + ... + 2704.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

22522389 is an apocalyptic number.

It is an amenable number.

2522389 is a deficient number, since it is larger than the sum of its proper divisors (4811).

2522389 is an equidigital number, since it uses as much as digits as its factorization.

2522389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810.

The product of its digits is 8640, while the sum is 31.

The square root of 2522389 is about 1588.2030726579. The cubic root of 2522389 is about 136.1248313194.

The spelling of 2522389 in words is "two million, five hundred twenty-two thousand, three hundred eighty-nine".

Divisors: 1 599 4211 2522389