Base | Representation |
---|---|
bin | 1010000001001… |
… | …1100010000111 |
3 | 2221001222210011 |
4 | 2200103202013 |
5 | 41224214142 |
6 | 4100411051 |
7 | 1020122113 |
oct | 240234207 |
9 | 87058704 |
10 | 42023047 |
11 | 217a25a0 |
12 | 120a6a87 |
13 | 8924611 |
14 | 581c743 |
15 | 3a51417 |
hex | 2813887 |
42023047 has 8 divisors (see below), whose sum is σ = 47836800. Its totient is φ = 36541560.
The previous prime is 42023039. The next prime is 42023057. The reversal of 42023047 is 74032024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42023047 - 23 = 42023039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42023057) 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, 82797 + ... + 83302.
It is an arithmetic number, because the mean of its divisors is an integer number (5979600).
Almost surely, 242023047 is an apocalyptic number.
42023047 is a deficient number, since it is larger than the sum of its proper divisors (5813753).
42023047 is a wasteful number, since it uses less digits than its factorization.
42023047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 166133.
The product of its (nonzero) digits is 1344, while the sum is 22.
The square root of 42023047 is about 6482.5185691982. The cubic root of 42023047 is about 347.6662338038. Note that the first 3 decimals are identical.
The spelling of 42023047 in words is "forty-two million, twenty-three thousand, forty-seven".
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