Base | Representation |
---|---|
bin | 111000000010… |
… | …111000110001 |
3 | 1000122102111001 |
4 | 320002320301 |
5 | 12230120024 |
6 | 1242522001 |
7 | 235610332 |
oct | 70027061 |
9 | 30572431 |
10 | 14691889 |
11 | 8325263 |
12 | 4b06301 |
13 | 3075334 |
14 | 1d46289 |
15 | 1453244 |
hex | e02e31 |
14691889 has 3 divisors (see below), whose sum is σ = 14695723. Its totient is φ = 14688056.
The previous prime is 14691881. The next prime is 14691931. The reversal of 14691889 is 98819641.
The square root of 14691889 is 3833.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98819641 = 971 ⋅101771.
It can be written as a sum of positive squares in only one way, i.e., 3186225 + 11505664 = 1785^2 + 3392^2 .
It is not a de Polignac number, because 14691889 - 23 = 14691881 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14691881) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1917 + ... + 5749.
Almost surely, 214691889 is an apocalyptic number.
14691889 is the 3833-rd square number.
14691889 is the 1917-th centered octagonal number.
It is an amenable number.
14691889 is a deficient number, since it is larger than the sum of its proper divisors (3834).
14691889 is an frugal number, since it uses more digits than its factorization.
14691889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7666 (or 3833 counting only the distinct ones).
The product of its digits is 124416, while the sum is 46.
The cubic root of 14691889 is about 244.9209185278.
The spelling of 14691889 in words is "fourteen million, six hundred ninety-one thousand, eight hundred eighty-nine".
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