Base | Representation |
---|---|
bin | 1001000110101… |
… | …1111001111001 |
3 | 2122212021210212 |
4 | 2101223321321 |
5 | 34234100323 |
6 | 3442320505 |
7 | 642421121 |
oct | 221537171 |
9 | 78767725 |
10 | 38190713 |
11 | 1a615280 |
12 | 10959135 |
13 | 7bb2172 |
14 | 5101c81 |
15 | 3545b78 |
hex | 246be79 |
38190713 has 4 divisors (see below), whose sum is σ = 41662608. Its totient is φ = 34718820.
The previous prime is 38190689. The next prime is 38190727. The reversal of 38190713 is 31709183.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31709183 = 11 ⋅2882653.
It is a cyclic number.
It is not a de Polignac number, because 38190713 - 210 = 38189689 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38190713.
It is not an unprimeable number, because it can be changed into a prime (38190773) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1735931 + ... + 1735952.
It is an arithmetic number, because the mean of its divisors is an integer number (10415652).
Almost surely, 238190713 is an apocalyptic number.
It is an amenable number.
38190713 is a deficient number, since it is larger than the sum of its proper divisors (3471895).
38190713 is a wasteful number, since it uses less digits than its factorization.
38190713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3471894.
The product of its (nonzero) digits is 4536, while the sum is 32.
The square root of 38190713 is about 6179.8635098196. The cubic root of 38190713 is about 336.7590343340.
Adding to 38190713 its reverse (31709183), we get a palindrome (69899896).
The spelling of 38190713 in words is "thirty-eight million, one hundred ninety thousand, seven hundred thirteen".
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