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13824395 = 513212683
BaseRepresentation
bin110100101111…
…000110001011
3222000100111122
4310233012023
512014340040
61212145455
7225335234
oct64570613
928010448
1013824395
117892522
12476828b
132b30520
141b9c08b
1513311b5
hexd2f18b

13824395 has 8 divisors (see below), whose sum is σ = 17865456. Its totient is φ = 10208736.

The previous prime is 13824379. The next prime is 13824401. The reversal of 13824395 is 59342831.

13824395 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 13824395 - 24 = 13824379 is a prime.

It is a super-2 number, since 2×138243952 = 382227794232050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106277 + ... + 106406.

It is an arithmetic number, because the mean of its divisors is an integer number (2233182).

Almost surely, 213824395 is an apocalyptic number.

13824395 is a deficient number, since it is larger than the sum of its proper divisors (4041061).

13824395 is a wasteful number, since it uses less digits than its factorization.

13824395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212701.

The product of its digits is 25920, while the sum is 35.

The square root of 13824395 is about 3718.1171310221. The cubic root of 13824395 is about 240.0022858579.

The spelling of 13824395 in words is "thirteen million, eight hundred twenty-four thousand, three hundred ninety-five".

Divisors: 1 5 13 65 212683 1063415 2764879 13824395