Base | Representation |
---|---|
bin | 111010011000… |
… | …1101111000111 |
3 | 2010121021100110 |
4 | 1310301233013 |
5 | 30314044143 |
6 | 3012044103 |
7 | 521126022 |
oct | 164615707 |
9 | 63537313 |
10 | 30612423 |
11 | 16309626 |
12 | a303633 |
13 | 645a97a |
14 | 40cc1b9 |
15 | 2a4a533 |
hex | 1d31bc7 |
30612423 has 12 divisors (see below), whose sum is σ = 41587368. Its totient is φ = 20024640.
The previous prime is 30612419. The next prime is 30612433. The reversal of 30612423 is 32421603.
It is a happy number.
It is not a de Polignac number, because 30612423 - 22 = 30612419 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30612423.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30612403) 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, 74643 + ... + 75051.
It is an arithmetic number, because the mean of its divisors is an integer number (3465614).
Almost surely, 230612423 is an apocalyptic number.
30612423 is a deficient number, since it is larger than the sum of its proper divisors (10974945).
30612423 is an frugal number, since it uses more digits than its factorization.
30612423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 882 (or 473 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 30612423 is about 5532.8494467137. The cubic root of 30612423 is about 312.8234023728.
The spelling of 30612423 in words is "thirty million, six hundred twelve thousand, four hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •