Base | Representation |
---|---|
bin | 111001001000… |
… | …000000001011 |
3 | 1001011210211011 |
4 | 321020000023 |
5 | 12313144422 |
6 | 1252544351 |
7 | 241166566 |
oct | 71100013 |
9 | 31153734 |
10 | 14974987 |
11 | 84a8a25 |
12 | 50220b7 |
13 | 3144151 |
14 | 1dbb4dd |
15 | 14ac077 |
hex | e4800b |
14974987 has 2 divisors, whose sum is σ = 14974988. Its totient is φ = 14974986.
The previous prime is 14974979. The next prime is 14975027. The reversal of 14974987 is 78947941.
It is a weak prime.
It is an emirp because it is prime and its reverse (78947941) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14974987 - 23 = 14974979 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 14974987.
It is not a weakly prime, because it can be changed into another prime (14974087) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7487493 + 7487494.
It is an arithmetic number, because the mean of its divisors is an integer number (7487494).
Almost surely, 214974987 is an apocalyptic number.
14974987 is a deficient number, since it is larger than the sum of its proper divisors (1).
14974987 is an equidigital number, since it uses as much as digits as its factorization.
14974987 is an evil number, because the sum of its binary digits is even.
The product of its digits is 508032, while the sum is 49.
The square root of 14974987 is about 3869.7528344844. The cubic root of 14974987 is about 246.4840481375.
The spelling of 14974987 in words is "fourteen million, nine hundred seventy-four thousand, nine hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •