Base | Representation |
---|---|
bin | 1010001000000… |
… | …1110001001011 |
3 | 2221220221011021 |
4 | 2202001301023 |
5 | 41333141241 |
6 | 4114213311 |
7 | 1024012366 |
oct | 242016113 |
9 | 87827137 |
10 | 42474571 |
11 | 21a80857 |
12 | 12284237 |
13 | 8a51ca9 |
14 | 58d90dd |
15 | 3ae00d1 |
hex | 2881c4b |
42474571 has 4 divisors (see below), whose sum is σ = 43276032. Its totient is φ = 41673112.
The previous prime is 42474569. The next prime is 42474581. The reversal of 42474571 is 17547424.
It is a happy number.
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 42474571 - 21 = 42474569 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42474541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400651 + ... + 400756.
It is an arithmetic number, because the mean of its divisors is an integer number (10819008).
Almost surely, 242474571 is an apocalyptic number.
42474571 is a deficient number, since it is larger than the sum of its proper divisors (801461).
42474571 is an equidigital number, since it uses as much as digits as its factorization.
42474571 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 801460.
The product of its digits is 31360, while the sum is 34.
The square root of 42474571 is about 6517.2517981125. The cubic root of 42474571 is about 348.9069874710.
The spelling of 42474571 in words is "forty-two million, four hundred seventy-four thousand, five hundred seventy-one".
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