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10564831 = 31340801
BaseRepresentation
bin101000010011…
…010011011111
3201212202020001
4220103103133
510201033311
61014235131
7155541154
oct50232337
921782201
1010564831
115a66572
123655aa7
13225b9a4
14159022b
15dda4c1
hexa134df

10564831 has 4 divisors (see below), whose sum is σ = 10905664. Its totient is φ = 10224000.

The previous prime is 10564823. The next prime is 10564849. The reversal of 10564831 is 13846501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13846501 = 15838747.

It is a cyclic number.

It is not a de Polignac number, because 10564831 - 23 = 10564823 is a prime.

It is a super-2 number, since 2×105648312 = 223231308117122, which contains 22 as substring.

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 10564831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10564811) 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 in 3 ways as a sum of consecutive naturals, for example, 170370 + ... + 170431.

It is an arithmetic number, because the mean of its divisors is an integer number (2726416).

Almost surely, 210564831 is an apocalyptic number.

10564831 is a deficient number, since it is larger than the sum of its proper divisors (340833).

10564831 is an equidigital number, since it uses as much as digits as its factorization.

10564831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340832.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 10564831 is about 3250.3585956014. The cubic root of 10564831 is about 219.4257129317.

The spelling of 10564831 in words is "ten million, five hundred sixty-four thousand, eight hundred thirty-one".

Divisors: 1 31 340801 10564831