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13853144 = 231731643
BaseRepresentation
bin110100110110…
…000111011000
3222001210221102
4310312013120
512021300034
61212530532
7225515114
oct64660730
928053842
1013853144
117902088
124780a48
132b40636
141ba8744
15133997e
hexd361d8

13853144 has 8 divisors (see below), whose sum is σ = 25974660. Its totient is φ = 6926568.

The previous prime is 13853143. The next prime is 13853167. The reversal of 13853144 is 44135831.

13853144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13853143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865814 + ... + 865829.

Almost surely, 213853144 is an apocalyptic number.

It is an amenable number.

13853144 is a deficient number, since it is larger than the sum of its proper divisors (12121516).

13853144 is a wasteful number, since it uses less digits than its factorization.

13853144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731649 (or 1731645 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 13853144 is about 3721.9811928595. The cubic root of 13853144 is about 240.1685390239.

Adding to 13853144 its reverse (44135831), we get a palindrome (57988975).

The spelling of 13853144 in words is "thirteen million, eight hundred fifty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 1731643 3463286 6926572 13853144