Base | Representation |
---|---|
bin | 111010011010… |
… | …0101011001101 |
3 | 2010121212212022 |
4 | 1310310223031 |
5 | 30314440321 |
6 | 3012215525 |
7 | 521206100 |
oct | 164645315 |
9 | 63555768 |
10 | 30624461 |
11 | 1631767a |
12 | a30a5a5 |
13 | 64632aa |
14 | 40d2737 |
15 | 2a4ddab |
hex | 1d34acd |
30624461 has 12 divisors (see below), whose sum is σ = 35868960. Its totient is φ = 26069400.
The previous prime is 30624439. The next prime is 30624467. The reversal of 30624461 is 16442603.
It is not a de Polignac number, because 30624461 - 26 = 30624397 is a prime.
It is a super-2 number, since 2×306244612 = 1875715223081042, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30624461.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30624467) 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, 5330 + ... + 9468.
It is an arithmetic number, because the mean of its divisors is an integer number (2989080).
Almost surely, 230624461 is an apocalyptic number.
It is an amenable number.
30624461 is a deficient number, since it is larger than the sum of its proper divisors (5244499).
30624461 is a wasteful number, since it uses less digits than its factorization.
30624461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4304 (or 4297 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 26.
The square root of 30624461 is about 5533.9372060044. The cubic root of 30624461 is about 312.8644017911.
The spelling of 30624461 in words is "thirty million, six hundred twenty-four thousand, four hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •