Search a number
-
+
13449642 = 232241607
BaseRepresentation
bin110011010011…
…100110101010
3221022022102220
4303103212222
511420342032
61200134510
7222214533
oct63234652
927268386
1013449642
117656a08
124607436
132a2ba8b
141b0168a
1512aa12c
hexcd39aa

13449642 has 8 divisors (see below), whose sum is σ = 26899296. Its totient is φ = 4483212.

The previous prime is 13449617. The next prime is 13449677. The reversal of 13449642 is 24694431.

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

13449642 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120798 + ... + 1120809.

It is an arithmetic number, because the mean of its divisors is an integer number (3362412).

Almost surely, 213449642 is an apocalyptic number.

13449642 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.

13449642 is a wasteful number, since it uses less digits than its factorization.

13449642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241612.

The product of its digits is 20736, while the sum is 33.

The square root of 13449642 is about 3667.3753557551. The cubic root of 13449642 is about 237.8137209634.

The spelling of 13449642 in words is "thirteen million, four hundred forty-nine thousand, six hundred forty-two".

Divisors: 1 2 3 6 2241607 4483214 6724821 13449642