Base | Representation |
---|---|
bin | 1001000100001… |
… | …0111011001001 |
3 | 2122112202112222 |
4 | 2101002323021 |
5 | 34213212412 |
6 | 3434543425 |
7 | 641121545 |
oct | 221027311 |
9 | 78482488 |
10 | 38022857 |
11 | 1a510154 |
12 | 10897b75 |
13 | 7b53942 |
14 | 509aa25 |
15 | 3511072 |
hex | 2442ec9 |
38022857 has 16 divisors (see below), whose sum is σ = 41769600. Its totient is φ = 34473600.
The previous prime is 38022839. The next prime is 38022899. The reversal of 38022857 is 75822083.
It is a happy number.
It is not a de Polignac number, because 38022857 - 28 = 38022601 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38022757) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82973 + ... + 83429.
It is an arithmetic number, because the mean of its divisors is an integer number (2610600).
Almost surely, 238022857 is an apocalyptic number.
It is an amenable number.
38022857 is a deficient number, since it is larger than the sum of its proper divisors (3746743).
38022857 is a wasteful number, since it uses less digits than its factorization.
38022857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 656.
The product of its (nonzero) digits is 26880, while the sum is 35.
The square root of 38022857 is about 6166.2676717768. The cubic root of 38022857 is about 336.2649347761.
The spelling of 38022857 in words is "thirty-eight million, twenty-two thousand, eight hundred fifty-seven".
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