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2402560261 is a prime number
BaseRepresentation
bin1000111100110100…
…0010100100000101
320012102211201002101
42033031002210011
514410023412021
61034223112101
7113352265603
oct21715024405
96172751071
102402560261
1110232010a2
12570742631
132c39a40ba
1418b128873
15e0dcea91
hex8f342905

2402560261 has 2 divisors, whose sum is σ = 2402560262. Its totient is φ = 2402560260.

The previous prime is 2402560253. The next prime is 2402560301. The reversal of 2402560261 is 1620652042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2390623236 + 11937025 = 48894^2 + 3455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402560261 - 23 = 2402560253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402560231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201280130 + 1201280131.

It is an arithmetic number, because the mean of its divisors is an integer number (1201280131).

Almost surely, 22402560261 is an apocalyptic number.

It is an amenable number.

2402560261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402560261 is an equidigital number, since it uses as much as digits as its factorization.

2402560261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2402560261 is about 49015.9184449297. The cubic root of 2402560261 is about 1339.3418207138.

The spelling of 2402560261 in words is "two billion, four hundred two million, five hundred sixty thousand, two hundred sixty-one".