Base | Representation |
---|---|
bin | 1001001101001… |
… | …0111111101010 |
3 | 2200122202001000 |
4 | 2103102333222 |
5 | 34341103340 |
6 | 3455335430 |
7 | 646130154 |
oct | 223227752 |
9 | 80582030 |
10 | 38612970 |
11 | 1a883550 |
12 | 10b21576 |
13 | 7ccc416 |
14 | 51b1ad4 |
15 | 35cad30 |
hex | 24d2fea |
38612970 has 64 divisors (see below), whose sum is σ = 112337280. Its totient is φ = 9360000.
The previous prime is 38612957. The next prime is 38612989. The reversal of 38612970 is 7921683.
38612970 is a `hidden beast` number, since 38 + 612 + 9 + 7 + 0 = 666.
It is a super-2 number, since 2×386129702 = 2981922904441800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3531 + ... + 9470.
It is an arithmetic number, because the mean of its divisors is an integer number (1755270).
Almost surely, 238612970 is an apocalyptic number.
38612970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
38612970 is an abundant number, since it is smaller than the sum of its proper divisors (73724310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38612970 is a wasteful number, since it uses less digits than its factorization.
38612970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13028 (or 13022 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 38612970 is about 6213.9335368187. The cubic root of 38612970 is about 337.9956175103.
The spelling of 38612970 in words is "thirty-eight million, six hundred twelve thousand, nine hundred seventy".
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