Base | Representation |
---|---|
bin | 1001001011111… |
… | …0110100110101 |
3 | 2200111112201021 |
4 | 2102332310311 |
5 | 34330432412 |
6 | 3453501141 |
7 | 645334255 |
oct | 222766465 |
9 | 80445637 |
10 | 38530357 |
11 | 1a827478 |
12 | 10aa17b1 |
13 | 7ca0938 |
14 | 518d965 |
15 | 35b1607 |
hex | 24bed35 |
38530357 has 16 divisors (see below), whose sum is σ = 41382000. Its totient is φ = 35804160.
The previous prime is 38530337. The next prime is 38530409. The reversal of 38530357 is 75303583.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 904401 + 37625956 = 951^2 + 6134^2 .
It is a de Polignac number, because none of the positive numbers 2k-38530357 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38530307) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159757 + ... + 159997.
It is an arithmetic number, because the mean of its divisors is an integer number (2586375).
Almost surely, 238530357 is an apocalyptic number.
38530357 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
38530357 is a deficient number, since it is larger than the sum of its proper divisors (2851643).
38530357 is a wasteful number, since it uses less digits than its factorization.
38530357 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 456.
The product of its (nonzero) digits is 37800, while the sum is 34.
The square root of 38530357 is about 6207.2825777469. The cubic root of 38530357 is about 337.7543965818.
The spelling of 38530357 in words is "thirty-eight million, five hundred thirty thousand, three hundred fifty-seven".
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