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10390793 = 72212057
BaseRepresentation
bin100111101000…
…110100001001
3201112220111012
4213220310021
510130001133
61010413305
7154214600
oct47506411
921486435
1010390793
115957836
123591235
1321ca6ca
141546a37
15da3b48
hex9e8d09

10390793 has 6 divisors (see below), whose sum is σ = 12087306. Its totient is φ = 8906352.

The previous prime is 10390769. The next prime is 10390799. The reversal of 10390793 is 39709301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7997584 + 2393209 = 2828^2 + 1547^2 .

It is not a de Polignac number, because 10390793 - 212 = 10386697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10390799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105980 + ... + 106077.

It is an arithmetic number, because the mean of its divisors is an integer number (2014551).

Almost surely, 210390793 is an apocalyptic number.

It is an amenable number.

10390793 is a deficient number, since it is larger than the sum of its proper divisors (1696513).

10390793 is an equidigital number, since it uses as much as digits as its factorization.

10390793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212071 (or 212064 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 10390793 is about 3223.4752984938. The cubic root of 10390793 is about 218.2141444264.

The spelling of 10390793 in words is "ten million, three hundred ninety thousand, seven hundred ninety-three".

Divisors: 1 7 49 212057 1484399 10390793