Base | Representation |
---|---|
bin | 1111100010010000100001 |
3 | 21122220101122 |
4 | 33202100201 |
5 | 2020304411 |
6 | 223142025 |
7 | 46421060 |
oct | 17422041 |
9 | 7586348 |
10 | 4072481 |
11 | 2331796 |
12 | 1444915 |
13 | ac786a |
14 | 7801d7 |
15 | 5569db |
hex | 3e2421 |
4072481 has 8 divisors (see below), whose sum is σ = 4670400. Its totient is φ = 3478608.
The previous prime is 4072477. The next prime is 4072483. The reversal of 4072481 is 1842704.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 4072481 - 22 = 4072477 is a prime.
It is a super-2 number, since 2×40724812 = 33170202990722, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 4072481.
It is not an unprimeable number, because it can be changed into a prime (4072483) 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, 1610 + ... + 3276.
It is an arithmetic number, because the mean of its divisors is an integer number (583800).
Almost surely, 24072481 is an apocalyptic number.
It is an amenable number.
4072481 is a deficient number, since it is larger than the sum of its proper divisors (597919).
4072481 is a wasteful number, since it uses less digits than its factorization.
4072481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2023.
The product of its (nonzero) digits is 1792, while the sum is 26.
The square root of 4072481 is about 2018.0388995260. The cubic root of 4072481 is about 159.6931750121.
The spelling of 4072481 in words is "four million, seventy-two thousand, four hundred eighty-one".
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