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13813743 = 317332657
BaseRepresentation
bin110100101100…
…011111101111
3221222210220010
4310230133233
512014014433
61212024303
7225262206
oct64543757
927883803
1013813743
117885519
124762093
132b28718
141b9823d
15132ce63
hexd2c7ef

13813743 has 8 divisors (see below), whose sum is σ = 18435888. Its totient is φ = 9200384.

The previous prime is 13813733. The next prime is 13813757. The reversal of 13813743 is 34731831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13813743 - 28 = 13813487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13813743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813733) 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, 3871 + ... + 6527.

It is an arithmetic number, because the mean of its divisors is an integer number (2304486).

Almost surely, 213813743 is an apocalyptic number.

13813743 is a deficient number, since it is larger than the sum of its proper divisors (4622145).

13813743 is a wasteful number, since it uses less digits than its factorization.

13813743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its digits is 6048, while the sum is 30.

The square root of 13813743 is about 3716.6844095242. The cubic root of 13813743 is about 239.9406276745.

The spelling of 13813743 in words is "thirteen million, eight hundred thirteen thousand, seven hundred forty-three".

Divisors: 1 3 1733 2657 5199 7971 4604581 13813743