Search a number
-
+
13254680 = 235331367
BaseRepresentation
bin110010100100…
…000000011000
3220221102000002
4302210000120
511343122210
61152032132
7220443245
oct62440030
926842002
1013254680
11753348a
124532648
13299110a
141a905cc
15126c4a5
hexca4018

13254680 has 16 divisors (see below), whose sum is σ = 29823120. Its totient is φ = 5301856.

The previous prime is 13254667. The next prime is 13254691. The reversal of 13254680 is 8645231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165644 + ... + 165723.

It is an arithmetic number, because the mean of its divisors is an integer number (1863945).

Almost surely, 213254680 is an apocalyptic number.

13254680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13254680 is an abundant number, since it is smaller than the sum of its proper divisors (16568440).

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

13254680 is a wasteful number, since it uses less digits than its factorization.

13254680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331378 (or 331374 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13254680 is about 3640.6977353249. The cubic root of 13254680 is about 236.6590312509.

The spelling of 13254680 in words is "thirteen million, two hundred fifty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 331367 662734 1325468 1656835 2650936 3313670 6627340 13254680