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13803744 = 253532713
BaseRepresentation
bin110100101010…
…000011100000
3221222022011210
4310222003200
512013204434
61211510120
7225221103
oct64520340
927868153
1013803744
117878a59
124758340
132b23cc6
141b9473a
151329ee9
hexd2a0e0

13803744 has 48 divisors (see below), whose sum is σ = 36932112. Its totient is φ = 4512768.

The previous prime is 13803743. The next prime is 13803793. The reversal of 13803744 is 44730831.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13803743) 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, 3732 + ... + 6444.

It is an arithmetic number, because the mean of its divisors is an integer number (769419).

Almost surely, 213803744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13803744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18466056).

13803744 is an abundant number, since it is smaller than the sum of its proper divisors (23128368).

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

13803744 is a wasteful number, since it uses less digits than its factorization.

13803744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 13803744 is about 3715.3390154870. The cubic root of 13803744 is about 239.8827204768.

The spelling of 13803744 in words is "thirteen million, eight hundred three thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 53 96 106 159 212 318 424 636 848 1272 1696 2544 2713 5088 5426 8139 10852 16278 21704 32556 43408 65112 86816 130224 143789 260448 287578 431367 575156 862734 1150312 1725468 2300624 3450936 4601248 6901872 13803744