Base | Representation |
---|---|
bin | 1001000101111… |
… | …0010001111011 |
3 | 2122202110020222 |
4 | 2101132101323 |
5 | 34230304112 |
6 | 3441210255 |
7 | 642066326 |
oct | 221362173 |
9 | 78673228 |
10 | 38134907 |
11 | 1a587358 |
12 | 1093098b |
13 | 7b92945 |
14 | 50c97bd |
15 | 3534372 |
hex | 245e47b |
38134907 has 8 divisors (see below), whose sum is σ = 39315456. Its totient is φ = 36969832.
The previous prime is 38134903. The next prime is 38134933. The reversal of 38134907 is 70943183.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38134907 - 22 = 38134903 is a prime.
It is a super-2 number, since 2×381349072 = 2908542263797298, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38134903) 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, 1238 + ... + 8820.
It is an arithmetic number, because the mean of its divisors is an integer number (4914432).
Almost surely, 238134907 is an apocalyptic number.
38134907 is a deficient number, since it is larger than the sum of its proper divisors (1180549).
38134907 is a wasteful number, since it uses less digits than its factorization.
38134907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7737.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 38134907 is about 6175.3467109143. The cubic root of 38134907 is about 336.5949251877.
The spelling of 38134907 in words is "thirty-eight million, one hundred thirty-four thousand, nine hundred seven".
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