Base | Representation |
---|---|
bin | 1001001011011… |
… | …0001110011011 |
3 | 2200102202101121 |
4 | 2102312032123 |
5 | 34323321011 |
6 | 3453030111 |
7 | 645126463 |
oct | 222661633 |
9 | 80382347 |
10 | 38495131 |
11 | 1a802a64 |
12 | 10a85337 |
13 | 7c8a8ac |
14 | 5180ba3 |
15 | 35a5e71 |
hex | 24b639b |
38495131 has 2 divisors, whose sum is σ = 38495132. Its totient is φ = 38495130.
The previous prime is 38495101. The next prime is 38495137. The reversal of 38495131 is 13159483.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38495131 - 25 = 38495099 is a prime.
It is a super-2 number, since 2×384951312 = 2963750221414322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (38495137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19247565 + 19247566.
It is an arithmetic number, because the mean of its divisors is an integer number (19247566).
Almost surely, 238495131 is an apocalyptic number.
38495131 is a deficient number, since it is larger than the sum of its proper divisors (1).
38495131 is an equidigital number, since it uses as much as digits as its factorization.
38495131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 12960, while the sum is 34.
The square root of 38495131 is about 6204.4444553884. Note that the first 4 decimals coincide. The cubic root of 38495131 is about 337.6514356532.
The spelling of 38495131 in words is "thirty-eight million, four hundred ninety-five thousand, one hundred thirty-one".
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