Base | Representation |
---|---|
bin | 1011001001000101100001 |
3 | 12111101120211 |
4 | 23021011201 |
5 | 1221431201 |
6 | 142334121 |
7 | 33553312 |
oct | 13110541 |
9 | 5441524 |
10 | 2920801 |
11 | 1715494 |
12 | b8a341 |
13 | 7b35b0 |
14 | 560609 |
15 | 3ca651 |
hex | 2c9161 |
2920801 has 4 divisors (see below), whose sum is σ = 3145492. Its totient is φ = 2696112.
The previous prime is 2920783. The next prime is 2920811. The reversal of 2920801 is 1080292.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2016400 + 904401 = 1420^2 + 951^2 .
It is a cyclic number.
It is not a de Polignac number, because 2920801 - 29 = 2920289 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2920811) 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, 112326 + ... + 112351.
It is an arithmetic number, because the mean of its divisors is an integer number (786373).
22920801 is an apocalyptic number.
It is an amenable number.
2920801 is a deficient number, since it is larger than the sum of its proper divisors (224691).
2920801 is a wasteful number, since it uses less digits than its factorization.
2920801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224690.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 2920801 is about 1709.0351078898. The cubic root of 2920801 is about 142.9444581928.
It can be divided in two parts, 2920 and 801, that added together give a square (3721 = 612).
The spelling of 2920801 in words is "two million, nine hundred twenty thousand, eight hundred one".
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