Base | Representation |
---|---|
bin | 111010000110… |
… | …1101111010100 |
3 | 2010022210002121 |
4 | 1310031233110 |
5 | 30244334410 |
6 | 3004545324 |
7 | 516643120 |
oct | 164155724 |
9 | 63283077 |
10 | 30464980 |
11 | 16218877 |
12 | a252244 |
13 | 6408820 |
14 | 4090580 |
15 | 2a1b9da |
hex | 1d0dbd4 |
30464980 has 96 divisors (see below), whose sum is σ = 82978560. Its totient is φ = 9123840.
The previous prime is 30464963. The next prime is 30464981. The reversal of 30464980 is 8946403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30464981) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34140 + ... + 35020.
It is an arithmetic number, because the mean of its divisors is an integer number (864360).
Almost surely, 230464980 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30464980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41489280).
30464980 is an abundant number, since it is smaller than the sum of its proper divisors (52513580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30464980 is a wasteful number, since it uses less digits than its factorization.
30464980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 929 (or 927 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 30464980 is about 5519.5090361372. The cubic root of 30464980 is about 312.3203618229.
The spelling of 30464980 in words is "thirty million, four hundred sixty-four thousand, nine hundred eighty".
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