Base | Representation |
---|---|
bin | 1010000000111… |
… | …0111010110111 |
3 | 2221001000212022 |
4 | 2200032322313 |
5 | 41223113101 |
6 | 4100143355 |
7 | 1020013040 |
oct | 240167267 |
9 | 87030768 |
10 | 42004151 |
11 | 2178a382 |
12 | 12097b5b |
13 | 8918b37 |
14 | 58158c7 |
15 | 3a4aa1b |
hex | 280eeb7 |
42004151 has 8 divisors (see below), whose sum is σ = 49660320. Its totient is φ = 34761888.
The previous prime is 42004129. The next prime is 42004153. The reversal of 42004151 is 15140024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42004151 - 210 = 42003127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42004153) 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, 103256 + ... + 103661.
It is an arithmetic number, because the mean of its divisors is an integer number (6207540).
Almost surely, 242004151 is an apocalyptic number.
42004151 is a deficient number, since it is larger than the sum of its proper divisors (7656169).
42004151 is a wasteful number, since it uses less digits than its factorization.
42004151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206953.
The product of its (nonzero) digits is 160, while the sum is 17.
The square root of 42004151 is about 6481.0609470981. The cubic root of 42004151 is about 347.6141156881.
Adding to 42004151 its reverse (15140024), we get a palindrome (57144175).
The spelling of 42004151 in words is "forty-two million, four thousand, one hundred fifty-one".
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