Base | Representation |
---|---|
bin | 1001010010101… |
… | …0010000001010 |
3 | 2201022220022100 |
4 | 2110222100022 |
5 | 34434023003 |
6 | 3511134230 |
7 | 652146156 |
oct | 224522012 |
9 | 81286270 |
10 | 38970378 |
11 | 1aaa8027 |
12 | 11074376 |
13 | 80c5cc5 |
14 | 5266066 |
15 | 364bba3 |
hex | 252a40a |
38970378 has 24 divisors (see below), whose sum is σ = 84717828. Its totient is φ = 12946752.
The previous prime is 38970353. The next prime is 38970389. The reversal of 38970378 is 87307983.
It can be written as a sum of positive squares in 2 ways, for example, as 36036009 + 2934369 = 6003^2 + 1713^2 .
It is a super-2 number, since 2×389703782 = 3037380722925768, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2176 + ... + 9092.
Almost surely, 238970378 is an apocalyptic number.
38970378 is an abundant number, since it is smaller than the sum of its proper divisors (45747450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38970378 is a wasteful number, since it uses less digits than its factorization.
38970378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7238 (or 7235 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The square root of 38970378 is about 6242.6258897999. The cubic root of 38970378 is about 339.0352640372.
The spelling of 38970378 in words is "thirty-eight million, nine hundred seventy thousand, three hundred seventy-eight".
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