Base | Representation |
---|---|
bin | 1001000101110… |
… | …0000001001010 |
3 | 2122201222112211 |
4 | 2101130001022 |
5 | 34230010032 |
6 | 3441055334 |
7 | 642030322 |
oct | 221340112 |
9 | 78658484 |
10 | 38125642 |
11 | 1a5803a5 |
12 | 1092754a |
13 | 7b8b669 |
14 | 50c6282 |
15 | 3531747 |
hex | 245c04a |
38125642 has 8 divisors (see below), whose sum is σ = 57831300. Its totient is φ = 18848544.
The previous prime is 38125631. The next prime is 38125643. The reversal of 38125642 is 24652183.
It can be written as a sum of positive squares in 2 ways, for example, as 37564641 + 561001 = 6129^2 + 749^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (38125643) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106917 + ... + 107272.
Almost surely, 238125642 is an apocalyptic number.
38125642 is a deficient number, since it is larger than the sum of its proper divisors (19705658).
38125642 is a wasteful number, since it uses less digits than its factorization.
38125642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214280.
The product of its digits is 11520, while the sum is 31.
The square root of 38125642 is about 6174.5965050358. The cubic root of 38125642 is about 336.5676640350.
The spelling of 38125642 in words is "thirty-eight million, one hundred twenty-five thousand, six hundred forty-two".
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