Base | Representation |
---|---|
bin | 111001101001… |
… | …1110000101001 |
3 | 2002212201022221 |
4 | 1303103300221 |
5 | 30214234442 |
6 | 2555514041 |
7 | 514633546 |
oct | 163236051 |
9 | 62781287 |
10 | 30227497 |
11 | 16076403 |
12 | a158921 |
13 | 63546c1 |
14 | 402bbcd |
15 | 29c1467 |
hex | 1cd3c29 |
30227497 has 4 divisors (see below), whose sum is σ = 31541760. Its totient is φ = 28913236.
The previous prime is 30227471. The next prime is 30227507. The reversal of 30227497 is 79472203.
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 30227497 - 27 = 30227369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30227597) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657097 + ... + 657142.
It is an arithmetic number, because the mean of its divisors is an integer number (7885440).
Almost surely, 230227497 is an apocalyptic number.
It is an amenable number.
30227497 is a deficient number, since it is larger than the sum of its proper divisors (1314263).
30227497 is a wasteful number, since it uses less digits than its factorization.
30227497 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1314262.
The product of its (nonzero) digits is 21168, while the sum is 34.
The square root of 30227497 is about 5497.9538921311. The cubic root of 30227497 is about 311.5067025242.
The spelling of 30227497 in words is "thirty million, two hundred twenty-seven thousand, four hundred ninety-seven".
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