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13684359 = 313350881
BaseRepresentation
bin110100001100…
…111010000111
3221202020102010
4310030322013
512000344414
61205145303
7224213043
oct64147207
927666363
1013684359
1177a7297
1246bb233
132ab1870
141b63023
151304959
hexd0ce87

13684359 has 8 divisors (see below), whose sum is σ = 19649392. Its totient is φ = 8421120.

The previous prime is 13684357. The next prime is 13684387. The reversal of 13684359 is 95348631.

13684359 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 13684359 - 21 = 13684357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 350881 = 13684359 / (1 + 3 + 6 + 8 + 4 + 3 + 5 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13684357) 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, 175402 + ... + 175479.

It is an arithmetic number, because the mean of its divisors is an integer number (2456174).

Almost surely, 213684359 is an apocalyptic number.

13684359 is a deficient number, since it is larger than the sum of its proper divisors (5965033).

13684359 is a wasteful number, since it uses less digits than its factorization.

13684359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350897.

The product of its digits is 77760, while the sum is 39.

The square root of 13684359 is about 3699.2376241599. The cubic root of 13684359 is about 239.1891559962.

The spelling of 13684359 in words is "thirteen million, six hundred eighty-four thousand, three hundred fifty-nine".

Divisors: 1 3 13 39 350881 1052643 4561453 13684359