Base | Representation |
---|---|
bin | 111011001101… |
… | …0100111101000 |
3 | 2011102002122121 |
4 | 1312122213220 |
5 | 30421321044 |
6 | 3025201024 |
7 | 524565346 |
oct | 166324750 |
9 | 64362577 |
10 | 31042024 |
11 | 16582372 |
12 | a490174 |
13 | 657b380 |
14 | 41a0996 |
15 | 2ad2984 |
hex | 1d9a9e8 |
31042024 has 32 divisors (see below), whose sum is σ = 63756000. Its totient is φ = 14081472.
The previous prime is 31042021. The next prime is 31042027. The reversal of 31042024 is 42024013.
It is an interprime number because it is at equal distance from previous prime (31042021) and next prime (31042027).
It is a junction number, because it is equal to n+sod(n) for n = 31041989 and 31042007.
It is not an unprimeable number, because it can be changed into a prime (31042021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607 + ... + 8665.
It is an arithmetic number, because the mean of its divisors is an integer number (1992375).
Almost surely, 231042024 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 31042024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31878000).
31042024 is an abundant number, since it is smaller than the sum of its proper divisors (32713976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31042024 is a wasteful number, since it uses less digits than its factorization.
31042024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5137 (or 5133 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 31042024 is about 5571.5369513268. The cubic root of 31042024 is about 314.2799510159.
Adding to 31042024 its reverse (42024013), we get a palindrome (73066037).
The spelling of 31042024 in words is "thirty-one million, forty-two thousand, twenty-four".
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