Base | Representation |
---|---|
bin | 110101000010… |
… | …010000101001 |
3 | 222011100011211 |
4 | 311002100221 |
5 | 12024343024 |
6 | 1213553121 |
7 | 226113130 |
oct | 65022051 |
9 | 28140154 |
10 | 13902889 |
11 | 79364a0 |
12 | 47a57a1 |
13 | 2b5a180 |
14 | 1bbc917 |
15 | 1349594 |
hex | d42429 |
13902889 has 64 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 8709120.
The previous prime is 13902883. The next prime is 13902893. The reversal of 13902889 is 98820931.
13902889 is nontrivially palindromic in base 6.
It is not a de Polignac number, because 13902889 - 27 = 13902761 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13902883) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 323302 + ... + 323344.
It is an arithmetic number, because the mean of its divisors is an integer number (332640).
Almost surely, 213902889 is an apocalyptic number.
13902889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
13902889 is a deficient number, since it is larger than the sum of its proper divisors (7386071).
13902889 is a wasteful number, since it uses less digits than its factorization.
13902889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110.
The product of its (nonzero) digits is 31104, while the sum is 40.
The square root of 13902889 is about 3728.6578014079. The cubic root of 13902889 is about 240.4556678789.
The spelling of 13902889 in words is "thirteen million, nine hundred two thousand, eight hundred eighty-nine".
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