Base | Representation |
---|---|
bin | 111001011001… |
… | …1000101101110 |
3 | 2002121220202200 |
4 | 1302303011232 |
5 | 30200444203 |
6 | 2553002330 |
7 | 513535446 |
oct | 162630556 |
9 | 62556680 |
10 | 30093678 |
11 | 15a9490a |
12 | a0b33a6 |
13 | 6308814 |
14 | 3dd5126 |
15 | 29969a3 |
hex | 1cb316e |
30093678 has 24 divisors (see below), whose sum is σ = 65355888. Its totient is φ = 10007712.
The previous prime is 30093671. The next prime is 30093709. The reversal of 30093678 is 87639003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30093671) 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, 7050 + ... + 10482.
It is an arithmetic number, because the mean of its divisors is an integer number (2723162).
Almost surely, 230093678 is an apocalyptic number.
30093678 is an abundant number, since it is smaller than the sum of its proper divisors (35262210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30093678 is a wasteful number, since it uses less digits than its factorization.
30093678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3928 (or 3925 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 30093678 is about 5485.7705019441. The cubic root of 30093678 is about 311.0463360136.
The spelling of 30093678 in words is "thirty million, ninety-three thousand, six hundred seventy-eight".
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