Base | Representation |
---|---|
bin | 1001010000111… |
… | …0110001010110 |
3 | 2201010011220022 |
4 | 2110032301112 |
5 | 34421422224 |
6 | 3504505142 |
7 | 651200042 |
oct | 224166126 |
9 | 81104808 |
10 | 38857814 |
11 | 1aa304a6 |
12 | 1101b1b2 |
13 | 80869b8 |
14 | 5237022 |
15 | 362865e |
hex | 250ec56 |
38857814 has 16 divisors (see below), whose sum is σ = 59928768. Its totient is φ = 18887232.
The previous prime is 38857811. The next prime is 38857817. The reversal of 38857814 is 41875883.
It is an interprime number because it is at equal distance from previous prime (38857811) and next prime (38857817).
It is a super-3 number, since 3×388578143 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38857811) 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, 13442 + ... + 16074.
It is an arithmetic number, because the mean of its divisors is an integer number (3745548).
Almost surely, 238857814 is an apocalyptic number.
38857814 is a deficient number, since it is larger than the sum of its proper divisors (21070954).
38857814 is a wasteful number, since it uses less digits than its factorization.
38857814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2839.
The product of its digits is 215040, while the sum is 44.
The square root of 38857814 is about 6233.6036126786. The cubic root of 38857814 is about 338.7085204041.
The spelling of 38857814 in words is "thirty-eight million, eight hundred fifty-seven thousand, eight hundred fourteen".
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