Base | Representation |
---|---|
bin | 1001000100001… |
… | …0111111010001 |
3 | 2122112202220202 |
4 | 2101002333101 |
5 | 34213214441 |
6 | 3434544545 |
7 | 641122403 |
oct | 221027721 |
9 | 78482822 |
10 | 38023121 |
11 | 1a510374 |
12 | 10898155 |
13 | 7b53ab6 |
14 | 509ab73 |
15 | 351119b |
hex | 2442fd1 |
38023121 has 2 divisors, whose sum is σ = 38023122. Its totient is φ = 38023120.
The previous prime is 38023109. The next prime is 38023177. The reversal of 38023121 is 12132083.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 19704721 + 18318400 = 4439^2 + 4280^2 .
It is a cyclic number.
It is not a de Polignac number, because 38023121 - 214 = 38006737 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 38023093 and 38023102.
It is not a weakly prime, because it can be changed into another prime (38023021) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19011560 + 19011561.
It is an arithmetic number, because the mean of its divisors is an integer number (19011561).
Almost surely, 238023121 is an apocalyptic number.
It is an amenable number.
38023121 is a deficient number, since it is larger than the sum of its proper divisors (1).
38023121 is an equidigital number, since it uses as much as digits as its factorization.
38023121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 38023121 is about 6166.2890785301. The cubic root of 38023121 is about 336.2657130250.
The spelling of 38023121 in words is "thirty-eight million, twenty-three thousand, one hundred twenty-one".
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