Search a number
-
+
13077239 = 73116007
BaseRepresentation
bin110001111000…
…101011110111
3220121101121012
4301320223313
511321432424
61144142435
7216104030
oct61705367
926541535
1013077239
11742213a
124467a1b
13292b416
141a45a87
151234b0e
hexc78af7

13077239 has 8 divisors (see below), whose sum is σ = 14995968. Its totient is φ = 11171160.

The previous prime is 13077227. The next prime is 13077287. The reversal of 13077239 is 93277031.

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

It is not a de Polignac number, because 13077239 - 24 = 13077223 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 (13077209) 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, 827 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1874496).

Almost surely, 213077239 is an apocalyptic number.

13077239 is a deficient number, since it is larger than the sum of its proper divisors (1918729).

13077239 is an equidigital number, since it uses as much as digits as its factorization.

13077239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 13077239 is about 3616.2465347374. The cubic root of 13077239 is about 235.5982283538.

The spelling of 13077239 in words is "thirteen million, seventy-seven thousand, two hundred thirty-nine".

Divisors: 1 7 311 2177 6007 42049 1868177 13077239