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13829775 = 352971901
BaseRepresentation
bin110100110000…
…011010001111
3222000121212220
4310300122033
512020023100
61212230423
7225360021
oct64603217
928017786
1013829775
117896573
12476b413
132b32acb
141ba0011
151332aa0
hexd3068f

13829775 has 24 divisors (see below), whose sum is σ = 23113104. Its totient is φ = 7296000.

The previous prime is 13829773. The next prime is 13829821. The reversal of 13829775 is 57792831.

13829775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13829775 - 21 = 13829773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13829773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6325 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (963046).

Almost surely, 213829775 is an apocalyptic number.

13829775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13829775 is a deficient number, since it is larger than the sum of its proper divisors (9283329).

13829775 is a wasteful number, since it uses less digits than its factorization.

13829775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011 (or 2006 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 13829775 is about 3718.8405451162. The cubic root of 13829775 is about 240.0334154862.

The spelling of 13829775 in words is "thirteen million, eight hundred twenty-nine thousand, seven hundred seventy-five".

Divisors: 1 3 5 15 25 75 97 291 485 1455 1901 2425 5703 7275 9505 28515 47525 142575 184397 553191 921985 2765955 4609925 13829775