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10390863 = 37494803
BaseRepresentation
bin100111101000…
…110101001111
3201112220120210
4213220311033
510130001423
61010413503
7154215030
oct47506517
921486523
1010390863
11595789a
123591293
1321ca752
141546a87
15da3b93
hex9e8d4f

10390863 has 8 divisors (see below), whose sum is σ = 15833728. Its totient is φ = 5937624.

The previous prime is 10390847. The next prime is 10390873. The reversal of 10390863 is 36809301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10390863 - 24 = 10390847 is a prime.

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 10390863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10390823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247381 + ... + 247422.

It is an arithmetic number, because the mean of its divisors is an integer number (1979216).

Almost surely, 210390863 is an apocalyptic number.

10390863 is a deficient number, since it is larger than the sum of its proper divisors (5442865).

10390863 is an equidigital number, since it uses as much as digits as its factorization.

10390863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494813.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 10390863 is about 3223.4861563221. The cubic root of 10390863 is about 218.2146344421.

The spelling of 10390863 in words is "ten million, three hundred ninety thousand, eight hundred sixty-three".

Divisors: 1 3 7 21 494803 1484409 3463621 10390863