Base | Representation |
---|---|
bin | 1010000001011… |
… | …1001011110111 |
3 | 2221002202022020 |
4 | 2200113023313 |
5 | 41230204012 |
6 | 4101004223 |
7 | 1020213534 |
oct | 240271367 |
9 | 87082266 |
10 | 42038007 |
11 | 21802860 |
12 | 120b3673 |
13 | 892b37b |
14 | 5823d8b |
15 | 3a55a8c |
hex | 28172f7 |
42038007 has 8 divisors (see below), whose sum is σ = 61146240. Its totient is φ = 25477560.
The previous prime is 42037987. The next prime is 42038021. The reversal of 42038007 is 70083024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-42038007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42038057) 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, 636907 + ... + 636972.
It is an arithmetic number, because the mean of its divisors is an integer number (7643280).
Almost surely, 242038007 is an apocalyptic number.
42038007 is a deficient number, since it is larger than the sum of its proper divisors (19108233).
42038007 is a wasteful number, since it uses less digits than its factorization.
42038007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1273893.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 42038007 is about 6483.6723390375. The cubic root of 42038007 is about 347.7074847376.
The spelling of 42038007 in words is "forty-two million, thirty-eight thousand, seven".
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