Base | Representation |
---|---|
bin | 1010001000000… |
… | …0110100001000 |
3 | 2221220201210120 |
4 | 2202000310020 |
5 | 41333030124 |
6 | 4114143240 |
7 | 1023665115 |
oct | 242006410 |
9 | 87821716 |
10 | 42470664 |
11 | 21a78925 |
12 | 12281b20 |
13 | 8a50292 |
14 | 58d790c |
15 | 3addd79 |
hex | 2880d08 |
42470664 has 32 divisors (see below), whose sum is σ = 106405440. Its totient is φ = 14126400.
The previous prime is 42470653. The next prime is 42470669. The reversal of 42470664 is 46607424.
It is not an unprimeable number, because it can be changed into a prime (42470669) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11349 + ... + 14619.
It is an arithmetic number, because the mean of its divisors is an integer number (3325170).
Almost surely, 242470664 is an apocalyptic number.
It is an amenable number.
42470664 is an abundant number, since it is smaller than the sum of its proper divisors (63934776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42470664 is a wasteful number, since it uses less digits than its factorization.
42470664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3821 (or 3817 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 33.
The square root of 42470664 is about 6516.9520483122. The cubic root of 42470664 is about 348.8962891373.
It can be divided in two parts, 42470 and 664, that added together give a palindrome (43134).
The spelling of 42470664 in words is "forty-two million, four hundred seventy thousand, six hundred sixty-four".
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