Base | Representation |
---|---|
bin | 1001010000000… |
… | …0110101011010 |
3 | 2201000021121002 |
4 | 2110000311122 |
5 | 34413110410 |
6 | 3503345002 |
7 | 650541443 |
oct | 224006532 |
9 | 81007532 |
10 | 38800730 |
11 | 1a9a1621 |
12 | 10bb2162 |
13 | 8066a17 |
14 | 52202ca |
15 | 36167a5 |
hex | 2500d5a |
38800730 has 16 divisors (see below), whose sum is σ = 70484040. Its totient is φ = 15377472.
The previous prime is 38800703. The next prime is 38800733. The reversal of 38800730 is 3700883.
It can be written as a sum of positive squares in 4 ways, for example, as 26946481 + 11854249 = 5191^2 + 3443^2 .
It is a junction number, because it is equal to n+sod(n) for n = 38800693 and 38800702.
It is not an unprimeable number, because it can be changed into a prime (38800733) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16709 + ... + 18888.
Almost surely, 238800730 is an apocalyptic number.
38800730 is a deficient number, since it is larger than the sum of its proper divisors (31683310).
38800730 is a wasteful number, since it uses less digits than its factorization.
38800730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35713.
The product of its (nonzero) digits is 4032, while the sum is 29.
The square root of 38800730 is about 6229.0231979019. The cubic root of 38800730 is about 338.5425794100.
The spelling of 38800730 in words is "thirty-eight million, eight hundred thousand, seven hundred thirty".
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