Base | Representation |
---|---|
bin | 111010000001… |
… | …1111110010100 |
3 | 2010020202020010 |
4 | 1310003332110 |
5 | 30242044410 |
6 | 3004040220 |
7 | 516415365 |
oct | 164037624 |
9 | 63222203 |
10 | 30424980 |
11 | 161a0813 |
12 | a233070 |
13 | 63c3561 |
14 | 407db6c |
15 | 2a0ec20 |
hex | 1d03f94 |
30424980 has 48 divisors (see below), whose sum is σ = 87010560. Its totient is φ = 7939968.
The previous prime is 30424969. The next prime is 30425039. The reversal of 30424980 is 8942403.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 2575 + ... + 8214.
It is an arithmetic number, because the mean of its divisors is an integer number (1812720).
Almost surely, 230424980 is an apocalyptic number.
30424980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30424980 is an abundant number, since it is smaller than the sum of its proper divisors (56585580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30424980 is a wasteful number, since it uses less digits than its factorization.
30424980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10848 (or 10846 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 30424980 is about 5515.8843352630. The cubic root of 30424980 is about 312.1836115161.
The spelling of 30424980 in words is "thirty million, four hundred twenty-four thousand, nine hundred eighty".
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