Base | Representation |
---|---|
bin | 1001010001000… |
… | …1011001101110 |
3 | 2201010201200102 |
4 | 2110101121232 |
5 | 34422243330 |
6 | 3505031102 |
7 | 651243335 |
oct | 224213156 |
9 | 81121612 |
10 | 38868590 |
11 | 1aa38602 |
12 | 11025492 |
13 | 808b887 |
14 | 523ad1c |
15 | 362b945 |
hex | 251166e |
38868590 has 16 divisors (see below), whose sum is σ = 71111520. Its totient is φ = 15292320.
The previous prime is 38868589. The next prime is 38868593. The reversal of 38868590 is 9586883.
It is a super-3 number, since 3×388685903 (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 (38868593) 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, 31250 + ... + 32469.
It is an arithmetic number, because the mean of its divisors is an integer number (4444470).
Almost surely, 238868590 is an apocalyptic number.
38868590 is a deficient number, since it is larger than the sum of its proper divisors (32242930).
38868590 is a wasteful number, since it uses less digits than its factorization.
38868590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63787.
The product of its (nonzero) digits is 414720, while the sum is 47.
The square root of 38868590 is about 6234.4679003103. The cubic root of 38868590 is about 338.7398275836.
The spelling of 38868590 in words is "thirty-eight million, eight hundred sixty-eight thousand, five hundred ninety".
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