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10256623 = 13788971
BaseRepresentation
bin100111001000…
…000011101111
3201022002102221
4213020003233
510111202443
61003500211
7153115456
oct47100357
921262387
1010256623
115875a53
123527667
132181610
14150db9d
15d78eed
hex9c80ef

10256623 has 4 divisors (see below), whose sum is σ = 11045608. Its totient is φ = 9467640.

The previous prime is 10256621. The next prime is 10256663. The reversal of 10256623 is 32665201.

10256623 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 is not a de Polignac number, because 10256623 - 21 = 10256621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256621) 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, 394473 + ... + 394498.

It is an arithmetic number, because the mean of its divisors is an integer number (2761402).

Almost surely, 210256623 is an apocalyptic number.

10256623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10256623 is a deficient number, since it is larger than the sum of its proper divisors (788985).

10256623 is an equidigital number, since it uses as much as digits as its factorization.

10256623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788984.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 10256623 is about 3202.5962905118. The cubic root of 10256623 is about 217.2708503954.

The spelling of 10256623 in words is "ten million, two hundred fifty-six thousand, six hundred twenty-three".

Divisors: 1 13 788971 10256623