Base | Representation |
---|---|
bin | 1010001010101… |
… | …0111001110110 |
3 | 2222020111021200 |
4 | 2202222321312 |
5 | 41404034222 |
6 | 4121553330 |
7 | 1025313540 |
oct | 242527166 |
9 | 88214250 |
10 | 42643062 |
11 | 22086400 |
12 | 12345846 |
13 | 8ab08a7 |
14 | 5940690 |
15 | 3b24eac |
hex | 28aae76 |
42643062 has 72 divisors (see below), whose sum is σ = 116105808. Its totient is φ = 11072160.
The previous prime is 42643037. The next prime is 42643067. The reversal of 42643062 is 26034624.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42643067) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13848 + ... + 16644.
Almost surely, 242643062 is an apocalyptic number.
42643062 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 42643062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58052904).
42643062 is an abundant number, since it is smaller than the sum of its proper divisors (73462746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42643062 is a wasteful number, since it uses less digits than its factorization.
42643062 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2834 (or 2820 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 42643062 is about 6530.1655415464. The cubic root of 42643062 is about 349.3677347085.
Adding to 42643062 its reverse (26034624), we get a palindrome (68677686).
The spelling of 42643062 in words is "forty-two million, six hundred forty-three thousand, sixty-two".
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