Base | Representation |
---|---|
bin | 111001000110… |
… | …111111000011 |
3 | 1001011121002210 |
4 | 321012333003 |
5 | 12313031234 |
6 | 1252513203 |
7 | 241151463 |
oct | 71067703 |
9 | 31147083 |
10 | 14970819 |
11 | 84a5886 |
12 | 501b803 |
13 | 3142296 |
14 | 1db9ba3 |
15 | 14aabe9 |
hex | e46fc3 |
14970819 has 4 divisors (see below), whose sum is σ = 19961096. Its totient is φ = 9980544.
The previous prime is 14970797. The next prime is 14970827. The reversal of 14970819 is 91807941.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91807941 = 3 ⋅30602647.
It is not a de Polignac number, because 14970819 - 216 = 14905283 is a prime.
It is a super-2 number, since 2×149708192 = 448250843061522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14970899) 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, 2495134 + ... + 2495139.
It is an arithmetic number, because the mean of its divisors is an integer number (4990274).
Almost surely, 214970819 is an apocalyptic number.
14970819 is a deficient number, since it is larger than the sum of its proper divisors (4990277).
14970819 is an equidigital number, since it uses as much as digits as its factorization.
14970819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4990276.
The product of its (nonzero) digits is 18144, while the sum is 39.
The square root of 14970819 is about 3869.2142613197. The cubic root of 14970819 is about 246.4611779821.
The spelling of 14970819 in words is "fourteen million, nine hundred seventy thousand, eight hundred nineteen".
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