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10319389 = 29355841
BaseRepresentation
bin100111010111…
…011000011101
3201102021112121
4213113120131
510120210024
61005102541
7153466453
oct47273035
921367477
1010319389
115909123
123557a51
1321a4062
1415289d3
15d8c8e4
hex9d761d

10319389 has 4 divisors (see below), whose sum is σ = 10675260. Its totient is φ = 9963520.

The previous prime is 10319383. The next prime is 10319399. The reversal of 10319389 is 98391301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8584900 + 1734489 = 2930^2 + 1317^2 .

It is a cyclic number.

It is not a de Polignac number, because 10319389 - 23 = 10319381 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 (10319381) 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, 177892 + ... + 177949.

It is an arithmetic number, because the mean of its divisors is an integer number (2668815).

Almost surely, 210319389 is an apocalyptic number.

It is an amenable number.

10319389 is a deficient number, since it is larger than the sum of its proper divisors (355871).

10319389 is an equidigital number, since it uses as much as digits as its factorization.

10319389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355870.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 10319389 is about 3212.3805814380. The cubic root of 10319389 is about 217.7131499210.

The spelling of 10319389 in words is "ten million, three hundred nineteen thousand, three hundred eighty-nine".

Divisors: 1 29 355841 10319389