Base | Representation |
---|---|
bin | 10000010111011000011000 |
3 | 22001221212120 |
4 | 100113120120 |
5 | 2044240242 |
6 | 231541240 |
7 | 51315333 |
oct | 20273030 |
9 | 8057776 |
10 | 4290072 |
11 | 2470216 |
12 | 152a820 |
13 | b72907 |
14 | 7d961a |
15 | 59b1ec |
hex | 417618 |
4290072 has 16 divisors (see below), whose sum is σ = 10725240. Its totient is φ = 1430016.
The previous prime is 4290071. The next prime is 4290079. The reversal of 4290072 is 2700924.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 178753 = 4290072 / (4 + 2 + 9 + 0 + 0 + 7 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4290071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89353 + ... + 89400.
Almost surely, 24290072 is an apocalyptic number.
It is an amenable number.
4290072 is an abundant number, since it is smaller than the sum of its proper divisors (6435168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4290072 is a wasteful number, since it uses less digits than its factorization.
4290072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178762 (or 178758 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 4290072 is about 2071.2488986117. The cubic root of 4290072 is about 162.4880874897.
Adding to 4290072 its reverse (2700924), we get a palindrome (6990996).
The spelling of 4290072 in words is "four million, two hundred ninety thousand, seventy-two".
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