Base | Representation |
---|---|
bin | 1010000011001… |
… | …1100101000111 |
3 | 2221022122211210 |
4 | 2200303211013 |
5 | 41242414221 |
6 | 4103302503 |
7 | 1021206603 |
oct | 240634507 |
9 | 87278753 |
10 | 42154311 |
11 | 21882181 |
12 | 1214aa33 |
13 | 896c2a4 |
14 | 5854503 |
15 | 3a7a276 |
hex | 2833947 |
42154311 has 8 divisors (see below), whose sum is σ = 56703600. Its totient is φ = 27853952.
The previous prime is 42154303. The next prime is 42154337. The reversal of 42154311 is 11345124.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42154311 - 23 = 42154303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42154351) 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, 61836 + ... + 62513.
It is an arithmetic number, because the mean of its divisors is an integer number (7087950).
Almost surely, 242154311 is an apocalyptic number.
42154311 is a deficient number, since it is larger than the sum of its proper divisors (14549289).
42154311 is a wasteful number, since it uses less digits than its factorization.
42154311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124465.
The product of its digits is 480, while the sum is 21.
The square root of 42154311 is about 6492.6351352898. The cubic root of 42154311 is about 348.0278498652.
Adding to 42154311 its reverse (11345124), we get a palindrome (53499435).
The spelling of 42154311 in words is "forty-two million, one hundred fifty-four thousand, three hundred eleven".
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