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13896399 = 311421103
BaseRepresentation
bin110101000000…
…101011001111
3222011000021110
4311000223033
512024141044
61213503103
7226055166
oct65005317
928130243
1013896399
117931630
1247a1a93
132b5722a
141bba3dd
1513476b9
hexd40acf

13896399 has 8 divisors (see below), whose sum is σ = 20212992. Its totient is φ = 8422040.

The previous prime is 13896397. The next prime is 13896409. The reversal of 13896399 is 99369831.

It is a happy number.

13896399 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 not a de Polignac number, because 13896399 - 21 = 13896397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13896397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210519 + ... + 210584.

It is an arithmetic number, because the mean of its divisors is an integer number (2526624).

Almost surely, 213896399 is an apocalyptic number.

13896399 is a deficient number, since it is larger than the sum of its proper divisors (6316593).

13896399 is a wasteful number, since it uses less digits than its factorization.

13896399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421117.

The product of its digits is 314928, while the sum is 48.

The square root of 13896399 is about 3727.7874134666. The cubic root of 13896399 is about 240.4182463958.

The spelling of 13896399 in words is "thirteen million, eight hundred ninety-six thousand, three hundred ninety-nine".

Divisors: 1 3 11 33 421103 1263309 4632133 13896399