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13251442 = 211036007
BaseRepresentation
bin110010100011…
…001101110010
3220221020120011
4302203031302
511343021232
61152005134
7220430641
oct62431562
926836504
1013251442
117531006
1245307aa
13298c7b9
141a8d358
15126b547
hexca3372

13251442 has 8 divisors (see below), whose sum is σ = 19898496. Its totient is φ = 6618612.

The previous prime is 13251437. The next prime is 13251451. The reversal of 13251442 is 24415231.

13251442 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.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (2487312).

Almost surely, 213251442 is an apocalyptic number.

13251442 is a deficient number, since it is larger than the sum of its proper divisors (6647054).

13251442 is a wasteful number, since it uses less digits than its factorization.

13251442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7112.

The product of its digits is 960, while the sum is 22.

The square root of 13251442 is about 3640.2530131847. The cubic root of 13251442 is about 236.6397584519.

Adding to 13251442 its reverse (24415231), we get a palindrome (37666673).

The spelling of 13251442 in words is "thirteen million, two hundred fifty-one thousand, four hundred forty-two".

Divisors: 1 2 1103 2206 6007 12014 6625721 13251442