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13868283 = 3111332327
BaseRepresentation
bin110100111001…
…110011111011
3222002120201010
4310321303323
512022241113
61213125003
7225610212
oct64716373
928076633
1013868283
1179124a0
124789763
132b474b0
141bb0079
15133e1c3
hexd39cfb

13868283 has 16 divisors (see below), whose sum is σ = 21724416. Its totient is φ = 7758240.

The previous prime is 13868279. The next prime is 13868297. The reversal of 13868283 is 38286831.

It is not a de Polignac number, because 13868283 - 22 = 13868279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13868083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15735 + ... + 16592.

It is an arithmetic number, because the mean of its divisors is an integer number (1357776).

Almost surely, 213868283 is an apocalyptic number.

13868283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13868283 is a deficient number, since it is larger than the sum of its proper divisors (7856133).

13868283 is a wasteful number, since it uses less digits than its factorization.

13868283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32354.

The product of its digits is 55296, while the sum is 39.

The square root of 13868283 is about 3724.0143662451. The cubic root of 13868283 is about 240.2559942097.

It can be divided in two parts, 1386828 and 3, that added together give a palindrome (1386831).

The spelling of 13868283 in words is "thirteen million, eight hundred sixty-eight thousand, two hundred eighty-three".

Divisors: 1 3 11 13 33 39 143 429 32327 96981 355597 420251 1066791 1260753 4622761 13868283