Base | Representation |
---|---|
bin | 1010001001010… |
… | …0000010101000 |
3 | 2222001201211022 |
4 | 2202110002220 |
5 | 41343040131 |
6 | 4115552012 |
7 | 1024443530 |
oct | 242240250 |
9 | 88051738 |
10 | 42549416 |
11 | 22022008 |
12 | 122bb608 |
13 | 8a7a090 |
14 | 59184c0 |
15 | 3b0737b |
hex | 28940a8 |
42549416 has 64 divisors (see below), whose sum is σ = 99012480. Its totient is φ = 16692480.
The previous prime is 42549413. The next prime is 42549421. The reversal of 42549416 is 61494524.
It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 42549416 = 743 + 3483 = 2723 + 2823.
It is not an unprimeable number, because it can be changed into a prime (42549413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153470 + ... + 153746.
It is an arithmetic number, because the mean of its divisors is an integer number (1547070).
Almost surely, 242549416 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42549416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49506240).
42549416 is an abundant number, since it is smaller than the sum of its proper divisors (56463064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42549416 is a wasteful number, since it uses less digits than its factorization.
42549416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 514 (or 510 counting only the distinct ones).
The product of its digits is 34560, while the sum is 35.
The square root of 42549416 is about 6522.9913383355. The cubic root of 42549416 is about 349.1118050774. Note that the first 3 decimals are identical.
The spelling of 42549416 in words is "forty-two million, five hundred forty-nine thousand, four hundred sixteen".
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