Base | Representation |
---|---|
bin | 110100100110… |
… | …100011001110 |
3 | 221221120111011 |
4 | 310212203032 |
5 | 12012230030 |
6 | 1211315434 |
7 | 225131206 |
oct | 64464316 |
9 | 27846434 |
10 | 13789390 |
11 | 786919a |
12 | 474bb7a |
13 | 2b1a604 |
14 | 1b8d406 |
15 | 1325b2a |
hex | d268ce |
13789390 has 16 divisors (see below), whose sum is σ = 25042608. Its totient is φ = 5466496.
The previous prime is 13789387. The next prime is 13789403. The reversal of 13789390 is 9398731.
13789390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4972 + ... + 7231.
It is an arithmetic number, because the mean of its divisors is an integer number (1565163).
Almost surely, 213789390 is an apocalyptic number.
13789390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13789390 is a deficient number, since it is larger than the sum of its proper divisors (11253218).
13789390 is a wasteful number, since it uses less digits than its factorization.
13789390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12323.
The product of its (nonzero) digits is 40824, while the sum is 40.
The square root of 13789390 is about 3713.4067916133. The cubic root of 13789390 is about 239.7995432660.
The spelling of 13789390 in words is "thirteen million, seven hundred eighty-nine thousand, three hundred ninety".
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