Base | Representation |
---|---|
bin | 1010001110100… |
… | …0111011101010 |
3 | 2222201101210121 |
4 | 2203220323222 |
5 | 41440202010 |
6 | 4131233454 |
7 | 1030422343 |
oct | 243507352 |
9 | 88641717 |
10 | 42897130 |
11 | 2223a281 |
12 | 1244888a |
13 | 8b6c423 |
14 | 59a90ca |
15 | 3b753da |
hex | 28e8eea |
42897130 has 16 divisors (see below), whose sum is σ = 78524640. Its totient is φ = 16867792.
The previous prime is 42897109. The next prime is 42897133. The reversal of 42897130 is 3179824.
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (42897133) 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, 35764 + ... + 36943.
It is an arithmetic number, because the mean of its divisors is an integer number (4907790).
Almost surely, 242897130 is an apocalyptic number.
42897130 is a deficient number, since it is larger than the sum of its proper divisors (35627510).
42897130 is a wasteful number, since it uses less digits than its factorization.
42897130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72773.
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 42897130 is about 6549.5900635078. The cubic root of 42897130 is about 350.0602073296.
The spelling of 42897130 in words is "forty-two million, eight hundred ninety-seven thousand, one hundred thirty".
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