Base | Representation |
---|---|
bin | 111101110000111001001 |
3 | 10210211020120 |
4 | 13232013021 |
5 | 1004231011 |
6 | 111213453 |
7 | 23126346 |
oct | 7560711 |
9 | 3724216 |
10 | 2023881 |
11 | 1162632 |
12 | 817289 |
13 | 55b282 |
14 | 3a97cd |
15 | 29ea06 |
hex | 1ee1c9 |
2023881 has 16 divisors (see below), whose sum is σ = 2861760. Its totient is φ = 1270080.
The previous prime is 2023859. The next prime is 2023891. The reversal of 2023881 is 1883202.
It is not a de Polignac number, because 2023881 - 25 = 2023849 is a prime.
It is a super-2 number, since 2×20238812 = 8192188604322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2023811) 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, 3471 + ... + 4011.
It is an arithmetic number, because the mean of its divisors is an integer number (178860).
22023881 is an apocalyptic number.
It is an amenable number.
2023881 is a deficient number, since it is larger than the sum of its proper divisors (837879).
2023881 is a wasteful number, since it uses less digits than its factorization.
2023881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 616.
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 2023881 is about 1422.6317162217. The cubic root of 2023881 is about 126.4915917693.
The spelling of 2023881 in words is "two million, twenty-three thousand, eight hundred eighty-one".
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