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2590121 = 6142461
BaseRepresentation
bin1001111000010110101001
311212120222102
421320112221
51130340441
6131303145
731005242
oct11702651
94776872
102590121
111509aa6
12a4aab5
136c8c21
144b5cc9
1536269b
hex2785a9

2590121 has 4 divisors (see below), whose sum is σ = 2632644. Its totient is φ = 2547600.

The previous prime is 2590117. The next prime is 2590127. The reversal of 2590121 is 1210952.

2590121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 1123600 = 1211^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2590121 - 22 = 2590117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2590093 and 2590102.

It is not an unprimeable number, because it can be changed into a prime (2590127) by changing a digit.

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, 21170 + ... + 21291.

It is an arithmetic number, because the mean of its divisors is an integer number (658161).

22590121 is an apocalyptic number.

It is an amenable number.

2590121 is a deficient number, since it is larger than the sum of its proper divisors (42523).

2590121 is an equidigital number, since it uses as much as digits as its factorization.

2590121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42522.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 2590121 is about 1609.3852863749. The cubic root of 2590121 is about 137.3325079024.

The spelling of 2590121 in words is "two million, five hundred ninety thousand, one hundred twenty-one".

Divisors: 1 61 42461 2590121