Base | Representation |
---|---|
bin | 111001101110… |
… | …1001100100011 |
3 | 2002221200100102 |
4 | 1303131030203 |
5 | 30222004042 |
6 | 3000413015 |
7 | 515154332 |
oct | 163351443 |
9 | 62850312 |
10 | 30266147 |
11 | 160a244a |
12 | a17716b |
13 | 6369182 |
14 | 403bd19 |
15 | 29ccb32 |
hex | 1cdd323 |
30266147 has 4 divisors (see below), whose sum is σ = 30301536. Its totient is φ = 30230760.
The previous prime is 30266143. The next prime is 30266149. The reversal of 30266147 is 74166203.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74166203 = 167 ⋅444109.
It is a cyclic number.
It is not a de Polignac number, because 30266147 - 22 = 30266143 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30266143) 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, 16379 + ... + 18132.
It is an arithmetic number, because the mean of its divisors is an integer number (7575384).
Almost surely, 230266147 is an apocalyptic number.
30266147 is a deficient number, since it is larger than the sum of its proper divisors (35389).
30266147 is an equidigital number, since it uses as much as digits as its factorization.
30266147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35388.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 30266147 is about 5501.4677132562. The cubic root of 30266147 is about 311.6394139890.
The spelling of 30266147 in words is "thirty million, two hundred sixty-six thousand, one hundred forty-seven".
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