Base | Representation |
---|---|
bin | 110101000011… |
… | …000111011011 |
3 | 222011111222200 |
4 | 311003013123 |
5 | 12030001040 |
6 | 1214021243 |
7 | 226126266 |
oct | 65030733 |
9 | 28144880 |
10 | 13906395 |
11 | 7939098 |
12 | 47a7823 |
13 | 2b5b949 |
14 | 1bbdcdd |
15 | 134a630 |
hex | d431db |
13906395 has 12 divisors (see below), whose sum is σ = 24104496. Its totient is φ = 7416720.
The previous prime is 13906393. The next prime is 13906397. The reversal of 13906395 is 59360931.
13906395 is a `hidden beast` number, since 13 + 9 + 0 + 639 + 5 = 666.
It is an interprime number because it is at equal distance from previous prime (13906393) and next prime (13906397).
It is not a de Polignac number, because 13906395 - 21 = 13906393 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13906393) by changing a digit.
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 11 ways as a sum of consecutive naturals, for example, 154471 + ... + 154560.
It is an arithmetic number, because the mean of its divisors is an integer number (2008708).
Almost surely, 213906395 is an apocalyptic number.
13906395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13906395 is a deficient number, since it is larger than the sum of its proper divisors (10198101).
13906395 is a wasteful number, since it uses less digits than its factorization.
13906395 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309042 (or 309039 counting only the distinct ones).
The product of its (nonzero) digits is 21870, while the sum is 36.
The square root of 13906395 is about 3729.1279141376. The cubic root of 13906395 is about 240.4758787074.
The spelling of 13906395 in words is "thirteen million, nine hundred six thousand, three hundred ninety-five".
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