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13851344 = 241366593
BaseRepresentation
bin110100110101…
…101011010000
3222001201110202
4310311223100
512021220334
61212514332
7225506633
oct64655320
928051422
1013851344
1179007a1
12477b9a8
132b3c880
141ba7c1a
15133917e
hexd35ad0

13851344 has 20 divisors (see below), whose sum is σ = 28901796. Its totient is φ = 6392832.

The previous prime is 13851329. The next prime is 13851347. The reversal of 13851344 is 44315831.

13851344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 10316944 = 1880^2 + 3212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13851347) 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, 33089 + ... + 33504.

Almost surely, 213851344 is an apocalyptic number.

It is an amenable number.

13851344 is an abundant number, since it is smaller than the sum of its proper divisors (15050452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13851344 is a wasteful number, since it uses less digits than its factorization.

13851344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66614 (or 66608 counting only the distinct ones).

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

The square root of 13851344 is about 3721.7393783015. The cubic root of 13851344 is about 240.1581365214.

The spelling of 13851344 in words is "thirteen million, eight hundred fifty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 66593 133186 266372 532744 865709 1065488 1731418 3462836 6925672 13851344