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13072434 = 232178739
BaseRepresentation
bin110001110111…
…100000110010
3220121011000020
4301313200302
511321304214
61144104310
7216054024
oct61674062
926534006
1013072434
117419571
124465096
13292918b
141a44014
1512334a9
hexc77832

13072434 has 8 divisors (see below), whose sum is σ = 26144880. Its totient is φ = 4357476.

The previous prime is 13072429. The next prime is 13072447. The reversal of 13072434 is 43427031.

13072434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13072434 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089364 + ... + 1089375.

It is an arithmetic number, because the mean of its divisors is an integer number (3268110).

Almost surely, 213072434 is an apocalyptic number.

13072434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13072434 is a wasteful number, since it uses less digits than its factorization.

13072434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178744.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13072434 is about 3615.5821108087. The cubic root of 13072434 is about 235.5693693526.

Adding to 13072434 its reverse (43427031), we get a palindrome (56499465).

It can be divided in two parts, 1307 and 2434, that added together give a triangular number (3741 = T86).

The spelling of 13072434 in words is "thirteen million, seventy-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 2178739 4357478 6536217 13072434