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10392439 = 11099371
BaseRepresentation
bin100111101001…
…001101110111
3201112222202011
4213221031313
510130024224
61010425051
7154222441
oct47511567
921488664
1010392439
115958aa2
123592187
1321cb395
141547491
15da4394
hex9e9377

10392439 has 4 divisors (see below), whose sum is σ = 10402920. Its totient is φ = 10381960.

The previous prime is 10392427. The next prime is 10392461. The reversal of 10392439 is 93429301.

It is a semiprime because it is the product of two primes, 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 10392439 - 217 = 10261367 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 10392439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10392419) 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, 3577 + ... + 5794.

It is an arithmetic number, because the mean of its divisors is an integer number (2600730).

Almost surely, 210392439 is an apocalyptic number.

10392439 is a deficient number, since it is larger than the sum of its proper divisors (10481).

10392439 is an equidigital number, since it uses as much as digits as its factorization.

10392439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 10392439 is about 3223.7306028885. The cubic root of 10392439 is about 218.2256662136.

The spelling of 10392439 in words is "ten million, three hundred ninety-two thousand, four hundred thirty-nine".

Divisors: 1 1109 9371 10392439