Base | Representation |
---|---|
bin | 1001001111001… |
… | …0000000111110 |
3 | 2200220012022221 |
4 | 2103302000332 |
5 | 34404140110 |
6 | 3502155554 |
7 | 650166460 |
oct | 223620076 |
9 | 80805287 |
10 | 38740030 |
11 | 1a95aa5a |
12 | 10b82bba |
13 | 80451c4 |
14 | 5206130 |
15 | 36037da |
hex | 24f203e |
38740030 has 32 divisors (see below), whose sum is σ = 79916544. Its totient is φ = 13245216.
The previous prime is 38740021. The next prime is 38740043. The reversal of 38740030 is 3004783.
It is a junction number, because it is equal to n+sod(n) for n = 38739977 and 38740004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38919 + ... + 39901.
It is an arithmetic number, because the mean of its divisors is an integer number (2497392).
Almost surely, 238740030 is an apocalyptic number.
38740030 is an abundant number, since it is smaller than the sum of its proper divisors (41176514).
38740030 is a wasteful number, since it uses less digits than its factorization.
38740030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1560.
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 38740030 is about 6224.1489378067. The cubic root of 38740030 is about 338.3659481988.
The spelling of 38740030 in words is "thirty-eight million, seven hundred forty thousand, thirty".
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