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13214442 = 232202407
BaseRepresentation
bin110010011010…
…001011101010
3220212100210210
4302122023222
511340330232
61151121550
7220215033
oct62321352
926770723
1013214442
11750622a
1245132b6
1329789c7
141a7da8a
1512605cc
hexc9a2ea

13214442 has 8 divisors (see below), whose sum is σ = 26428896. Its totient is φ = 4404812.

The previous prime is 13214429. The next prime is 13214447. The reversal of 13214442 is 24441231.

13214442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

13214442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13214447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101198 + ... + 1101209.

It is an arithmetic number, because the mean of its divisors is an integer number (3303612).

Almost surely, 213214442 is an apocalyptic number.

13214442 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.

13214442 is a wasteful number, since it uses less digits than its factorization.

13214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202412.

The product of its digits is 768, while the sum is 21.

The square root of 13214442 is about 3635.1673964207. The cubic root of 13214442 is about 236.4193086630.

Adding to 13214442 its reverse (24441231), we get a palindrome (37655673).

The spelling of 13214442 in words is "thirteen million, two hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 2202407 4404814 6607221 13214442