Base | Representation |
---|---|
bin | 1010001010010… |
… | …0001001011000 |
3 | 2222012002022120 |
4 | 2202210021120 |
5 | 41402143014 |
6 | 4121221240 |
7 | 1025140050 |
oct | 242441130 |
9 | 88162276 |
10 | 42615384 |
11 | 22067629 |
12 | 12331820 |
13 | 8aa1106 |
14 | 5934560 |
15 | 3b1bba9 |
hex | 28a4258 |
42615384 has 64 divisors (see below), whose sum is σ = 125971200. Its totient is φ = 11754624.
The previous prime is 42615383. The next prime is 42615401. The reversal of 42615384 is 48351624.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42615383) 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, 499 + ... + 9245.
It is an arithmetic number, because the mean of its divisors is an integer number (1968300).
Almost surely, 242615384 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 42615384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62985600).
42615384 is an abundant number, since it is smaller than the sum of its proper divisors (83355816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42615384 is a wasteful number, since it uses less digits than its factorization.
42615384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8792 (or 8788 counting only the distinct ones).
The product of its digits is 23040, while the sum is 33.
The square root of 42615384 is about 6528.0459557206. The cubic root of 42615384 is about 349.2921312179.
The spelling of 42615384 in words is "forty-two million, six hundred fifteen thousand, three hundred eighty-four".
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