Search a number
-
+
13949049 = 34649683
BaseRepresentation
bin110101001101…
…100001111001
3222020200111110
4311031201321
512032332144
61214550533
7226364532
oct65154171
928220443
1013949049
117968144
124808449
132b7519a
141bd1689
1513580b9
hexd4d879

13949049 has 4 divisors (see below), whose sum is σ = 18598736. Its totient is φ = 9299364.

The previous prime is 13949041. The next prime is 13949093. The reversal of 13949049 is 94094931.

13949049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13949049 - 23 = 13949041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13948998 and 13949016.

It is not an unprimeable number, because it can be changed into a prime (13949041) by changing a digit.

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, 2324839 + ... + 2324844.

It is an arithmetic number, because the mean of its divisors is an integer number (4649684).

Almost surely, 213949049 is an apocalyptic number.

It is an amenable number.

13949049 is a deficient number, since it is larger than the sum of its proper divisors (4649687).

13949049 is an equidigital number, since it uses as much as digits as its factorization.

13949049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649686.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 13949049 is about 3734.8425669632. The cubic root of 13949049 is about 240.7214920594.

The spelling of 13949049 in words is "thirteen million, nine hundred forty-nine thousand, forty-nine".

Divisors: 1 3 4649683 13949049