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14613961 = 29349877
BaseRepresentation
bin110111101111…
…110111001001
31000111110120211
4313233313021
512220121321
61241121121
7235134205
oct67576711
930443524
1014613961
11828175a
124a891a1
133048a1b
141d25b05
15143a0e1
hexdefdc9

14613961 has 4 divisors (see below), whose sum is σ = 14664132. Its totient is φ = 14563792.

The previous prime is 14613919. The next prime is 14613997. The reversal of 14613961 is 16931641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6661561 + 7952400 = 2581^2 + 2820^2 .

It is a cyclic number.

It is not a de Polignac number, because 14613961 - 29 = 14613449 is a prime.

It is a super-2 number, since 2×146139612 = 427135712219042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14614961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24646 + ... + 25231.

It is an arithmetic number, because the mean of its divisors is an integer number (3666033).

Almost surely, 214613961 is an apocalyptic number.

It is an amenable number.

14613961 is a deficient number, since it is larger than the sum of its proper divisors (50171).

14613961 is an equidigital number, since it uses as much as digits as its factorization.

14613961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50170.

The product of its digits is 3888, while the sum is 31.

The square root of 14613961 is about 3822.8210787323. The cubic root of 14613961 is about 244.4871181161.

The spelling of 14613961 in words is "fourteen million, six hundred thirteen thousand, nine hundred sixty-one".

Divisors: 1 293 49877 14613961