Base | Representation |
---|---|
bin | 110101001110… |
… | …000000001011 |
3 | 222020210011020 |
4 | 311032000023 |
5 | 12032412422 |
6 | 1215003523 |
7 | 226403301 |
oct | 65160013 |
9 | 28223136 |
10 | 13950987 |
11 | 7969646 |
12 | 48095a3 |
13 | 2b7602b |
14 | 1bd2271 |
15 | 135895c |
hex | d4e00b |
13950987 has 8 divisors (see below), whose sum is σ = 18633936. Its totient is φ = 9284352.
The previous prime is 13950983. The next prime is 13950991. The reversal of 13950987 is 78905931.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (13950983) and next prime (13950991).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13950987 - 22 = 13950983 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13950983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1918 + ... + 5619.
It is an arithmetic number, because the mean of its divisors is an integer number (2329242).
Almost surely, 213950987 is an apocalyptic number.
13950987 is a deficient number, since it is larger than the sum of its proper divisors (4682949).
13950987 is an equidigital number, since it uses as much as digits as its factorization.
13950987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8157.
The product of its (nonzero) digits is 68040, while the sum is 42.
The square root of 13950987 is about 3735.1020066392. The cubic root of 13950987 is about 240.7326396926.
The spelling of 13950987 in words is "thirteen million, nine hundred fifty thousand, nine hundred eighty-seven".
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