Base | Representation |
---|---|
bin | 111101101011000111011 |
3 | 10210200012000 |
4 | 13231120323 |
5 | 1004132143 |
6 | 111152043 |
7 | 23114622 |
oct | 7553073 |
9 | 3720160 |
10 | 2020923 |
11 | 1160393 |
12 | 815623 |
13 | 559b18 |
14 | 3a86b9 |
15 | 29dbd3 |
hex | 1ed63b |
2020923 has 24 divisors (see below), whose sum is σ = 3135600. Its totient is φ = 1286208.
The previous prime is 2020913. The next prime is 2020933. The reversal of 2020923 is 3290202.
It is an interprime number because it is at equal distance from previous prime (2020913) and next prime (2020933).
It is not a de Polignac number, because 2020923 - 25 = 2020891 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2020896 and 2020905.
It is not an unprimeable number, because it can be changed into a prime (2020913) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22663 + ... + 22751.
It is an arithmetic number, because the mean of its divisors is an integer number (130650).
22020923 is an apocalyptic number.
2020923 is a deficient number, since it is larger than the sum of its proper divisors (1114677).
2020923 is an equidigital number, since it uses as much as digits as its factorization.
2020923 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156 (or 121 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2020923 is about 1421.5917135380. The cubic root of 2020923 is about 126.4299371954.
The spelling of 2020923 in words is "two million, twenty thousand, nine hundred twenty-three".
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