Base | Representation |
---|---|
bin | 111001101001… |
… | …1000101111001 |
3 | 2002212120120121 |
4 | 1303103011321 |
5 | 30214143021 |
6 | 2555453241 |
7 | 514622560 |
oct | 163230571 |
9 | 62776517 |
10 | 30224761 |
11 | 16074346 |
12 | a157221 |
13 | 6353398 |
14 | 402abd7 |
15 | 29c0741 |
hex | 1cd3179 |
30224761 has 4 divisors (see below), whose sum is σ = 34542592. Its totient is φ = 25906932.
The previous prime is 30224731. The next prime is 30224791. The reversal of 30224761 is 16742203.
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 an interprime number because it is at equal distance from previous prime (30224731) and next prime (30224791).
It is a cyclic number.
It is not a de Polignac number, because 30224761 - 27 = 30224633 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30224731) 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, 2158905 + ... + 2158918.
It is an arithmetic number, because the mean of its divisors is an integer number (8635648).
Almost surely, 230224761 is an apocalyptic number.
It is an amenable number.
30224761 is a deficient number, since it is larger than the sum of its proper divisors (4317831).
30224761 is an equidigital number, since it uses as much as digits as its factorization.
30224761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4317830.
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 30224761 is about 5497.7050666619. The cubic root of 30224761 is about 311.4973037082.
Adding to 30224761 its reverse (16742203), we get a palindrome (46966964).
The spelling of 30224761 in words is "thirty million, two hundred twenty-four thousand, seven hundred sixty-one".
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