Base | Representation |
---|---|
bin | 111001000111… |
… | …011010010001 |
3 | 1001011200111022 |
4 | 321013122101 |
5 | 12313110221 |
6 | 1252525225 |
7 | 241156532 |
oct | 71073221 |
9 | 31150438 |
10 | 14972561 |
11 | 84a711a |
12 | 5020815 |
13 | 3143006 |
14 | 1dba689 |
15 | 14ab4ab |
hex | e47691 |
14972561 has 4 divisors (see below), whose sum is σ = 15048000. Its totient is φ = 14897124.
The previous prime is 14972539. The next prime is 14972579. The reversal of 14972561 is 16527941.
14972561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 14972561 - 218 = 14710417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14972521) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37421 + ... + 37818.
It is an arithmetic number, because the mean of its divisors is an integer number (3762000).
Almost surely, 214972561 is an apocalyptic number.
It is an amenable number.
14972561 is a deficient number, since it is larger than the sum of its proper divisors (75439).
14972561 is an equidigital number, since it uses as much as digits as its factorization.
14972561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75438.
The product of its digits is 15120, while the sum is 35.
The square root of 14972561 is about 3869.4393650760. The cubic root of 14972561 is about 246.4707369942.
The spelling of 14972561 in words is "fourteen million, nine hundred seventy-two thousand, five hundred sixty-one".
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