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13148854 = 217386731
BaseRepresentation
bin110010001010…
…001010110110
3220202000211121
4302022022312
511331230404
61145454154
7216522565
oct62121266
926660747
1013148854
117470a24
1244a135a
132954bb4
141a63bdc
15124ae54
hexc8a2b6

13148854 has 8 divisors (see below), whose sum is σ = 20883528. Its totient is φ = 6187680.

The previous prime is 13148831. The next prime is 13148857. The reversal of 13148854 is 45884131.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 386731 = 13148854 / (1 + 3 + 1 + 4 + 8 + 8 + 5 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13148857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193332 + ... + 193399.

It is an arithmetic number, because the mean of its divisors is an integer number (2610441).

Almost surely, 213148854 is an apocalyptic number.

13148854 is a deficient number, since it is larger than the sum of its proper divisors (7734674).

13148854 is a wasteful number, since it uses less digits than its factorization.

13148854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386750.

The product of its digits is 15360, while the sum is 34.

The square root of 13148854 is about 3626.1348568414. The cubic root of 13148854 is about 236.0275152253.

The spelling of 13148854 in words is "thirteen million, one hundred forty-eight thousand, eight hundred fifty-four".

Divisors: 1 2 17 34 386731 773462 6574427 13148854