Base | Representation |
---|---|
bin | 111001101111… |
… | …0001111101111 |
3 | 2002221220020200 |
4 | 1303132033233 |
5 | 30222123242 |
6 | 3000444543 |
7 | 515203014 |
oct | 163361757 |
9 | 62856220 |
10 | 30270447 |
11 | 160a56a9 |
12 | a179753 |
13 | 636b10c |
14 | 403d70b |
15 | 29ce04c |
hex | 1cde3ef |
30270447 has 12 divisors (see below), whose sum is σ = 44040360. Its totient is φ = 20034288.
The previous prime is 30270437. The next prime is 30270451. The reversal of 30270447 is 74407203.
It is not a de Polignac number, because 30270447 - 24 = 30270431 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30270447.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30270437) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10848 + ... + 13349.
It is an arithmetic number, because the mean of its divisors is an integer number (3670030).
Almost surely, 230270447 is an apocalyptic number.
30270447 is a deficient number, since it is larger than the sum of its proper divisors (13769913).
30270447 is a wasteful number, since it uses less digits than its factorization.
30270447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24342 (or 24339 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 30270447 is about 5501.8585041784. The cubic root of 30270447 is about 311.6541717977.
The spelling of 30270447 in words is "thirty million, two hundred seventy thousand, four hundred forty-seven".
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