Base | Representation |
---|---|
bin | 111001110111… |
… | …0101110010010 |
3 | 2010002022211100 |
4 | 1303232232102 |
5 | 30231303223 |
6 | 3002125230 |
7 | 515603541 |
oct | 163565622 |
9 | 63068740 |
10 | 30337938 |
11 | 16141384 |
12 | a1b0816 |
13 | 6392a57 |
14 | 405a158 |
15 | 29e4043 |
hex | 1ceeb92 |
30337938 has 12 divisors (see below), whose sum is σ = 65732238. Its totient is φ = 10112640.
The previous prime is 30337913. The next prime is 30337963. The reversal of 30337938 is 83973303.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30337913) and next prime (30337963).
It can be written as a sum of positive squares in only one way, i.e., 26040609 + 4297329 = 5103^2 + 2073^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 842703 + ... + 842738.
Almost surely, 230337938 is an apocalyptic number.
30337938 is an abundant number, since it is smaller than the sum of its proper divisors (35394300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30337938 is a wasteful number, since it uses less digits than its factorization.
30337938 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1685449 (or 1685446 counting only the distinct ones).
The product of its (nonzero) digits is 40824, while the sum is 36.
The square root of 30337938 is about 5507.9885620796. The cubic root of 30337938 is about 311.8856212891.
The spelling of 30337938 in words is "thirty million, three hundred thirty-seven thousand, nine hundred thirty-eight".
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