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560401 = 691811
BaseRepresentation
bin10001000110100010001
31001110201121
42020310101
5120413101
620002241
74522552
oct2106421
91043647
10560401
11353046
12230381
131680ca
14108329
15b10a1
hex88d11

560401 has 4 divisors (see below), whose sum is σ = 561904. Its totient is φ = 558900.

The previous prime is 560393. The next prime is 560411. The reversal of 560401 is 104065.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 560401 - 23 = 560393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (560411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (140476).

2560401 is an apocalyptic number.

It is an amenable number.

560401 is a deficient number, since it is larger than the sum of its proper divisors (1503).

560401 is an equidigital number, since it uses as much as digits as its factorization.

560401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 560401 is about 748.5993588028. The cubic root of 560401 is about 82.4453755330.

Adding to 560401 its reverse (104065), we get a palindrome (664466).

It can be divided in two parts, 560 and 401, that added together give a square (961 = 312).

The spelling of 560401 in words is "five hundred sixty thousand, four hundred one".

Divisors: 1 691 811 560401