Base | Representation |
---|---|
bin | 1001010000011… |
… | …1011111000010 |
3 | 2201001122221222 |
4 | 2110013133002 |
5 | 34414443340 |
6 | 3504115042 |
7 | 651014036 |
oct | 224073702 |
9 | 81048858 |
10 | 38827970 |
11 | 1aa10035 |
12 | 11005a82 |
13 | 807623c |
14 | 522a1c6 |
15 | 361e8b5 |
hex | 25077c2 |
38827970 has 16 divisors (see below), whose sum is σ = 70849080. Its totient is φ = 15318144.
The previous prime is 38827961. The next prime is 38827973. The reversal of 38827970 is 7972883.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 38353249 + 474721 = 6193^2 + 689^2 .
It is a super-2 number, since 2×388279702 = 3015222508641800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (38827973) 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, 25865 + ... + 27324.
Almost surely, 238827970 is an apocalyptic number.
38827970 is a deficient number, since it is larger than the sum of its proper divisors (32021110).
38827970 is a wasteful number, since it uses less digits than its factorization.
38827970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53269.
The product of its (nonzero) digits is 169344, while the sum is 44.
The square root of 38827970 is about 6231.2093529266. The cubic root of 38827970 is about 338.6217853307.
The spelling of 38827970 in words is "thirty-eight million, eight hundred twenty-seven thousand, nine hundred seventy".
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