Base | Representation |
---|---|
bin | 1010000001000… |
… | …0100011011111 |
3 | 2221001101001022 |
4 | 2200100203133 |
5 | 41223321342 |
6 | 4100234355 |
7 | 1020041414 |
oct | 240204337 |
9 | 87041038 |
10 | 42010847 |
11 | 2179440a |
12 | 1209b9bb |
13 | 891bbb8 |
14 | 581810b |
15 | 3a4c9d2 |
hex | 28108df |
42010847 has 4 divisors (see below), whose sum is σ = 42065016. Its totient is φ = 41956680.
The previous prime is 42010819. The next prime is 42010861. The reversal of 42010847 is 74801024.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 42010847 - 210 = 42009823 is a prime.
It is a super-2 number, since 2×420108472 = 3529822531314818, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42010807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25904 + ... + 27477.
It is an arithmetic number, because the mean of its divisors is an integer number (10516254).
Almost surely, 242010847 is an apocalyptic number.
42010847 is a deficient number, since it is larger than the sum of its proper divisors (54169).
42010847 is an equidigital number, since it uses as much as digits as its factorization.
42010847 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54168.
The product of its (nonzero) digits is 1792, while the sum is 26.
The square root of 42010847 is about 6481.5775086008. The cubic root of 42010847 is about 347.6325860883.
The spelling of 42010847 in words is "forty-two million, ten thousand, eight hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •