Base | Representation |
---|---|
bin | 110001110001… |
… | …100010001110 |
3 | 220112220102102 |
4 | 301301202032 |
5 | 11320013300 |
6 | 1143355102 |
7 | 215622446 |
oct | 61614216 |
9 | 26486372 |
10 | 13047950 |
11 | 7402133 |
12 | 4452a92 |
13 | 291aca6 |
14 | 1a39126 |
15 | 122b0d5 |
hex | c7188e |
13047950 has 12 divisors (see below), whose sum is σ = 24269280. Its totient is φ = 5219160.
The previous prime is 13047949. The next prime is 13047967. The reversal of 13047950 is 5974031.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130430 + ... + 130529.
It is an arithmetic number, because the mean of its divisors is an integer number (2022440).
Almost surely, 213047950 is an apocalyptic number.
13047950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13047950 is a deficient number, since it is larger than the sum of its proper divisors (11221330).
13047950 is a wasteful number, since it uses less digits than its factorization.
13047950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260971 (or 260966 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 13047950 is about 3612.1946237710. The cubic root of 13047950 is about 235.4222076471.
The spelling of 13047950 in words is "thirteen million, forty-seven thousand, nine hundred fifty".
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