Base | Representation |
---|---|
bin | 111101111110110101100 |
3 | 10211012000222 |
4 | 13233312230 |
5 | 1004443040 |
6 | 111310512 |
7 | 23156225 |
oct | 7576654 |
9 | 3735028 |
10 | 2031020 |
11 | 1167a32 |
12 | 81b438 |
13 | 5615b4 |
14 | 3ac24c |
15 | 2a1bb5 |
hex | 1efdac |
2031020 has 24 divisors (see below), whose sum is σ = 4297104. Its totient is φ = 806336.
The previous prime is 2030999. The next prime is 2031023. The reversal of 2031020 is 201302.
It is a junction number, because it is equal to n+sod(n) for n = 2030989 and 2031007.
It is not an unprimeable number, because it can be changed into a prime (2031023) 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, 3167 + ... + 3753.
It is an arithmetic number, because the mean of its divisors is an integer number (179046).
22031020 is an apocalyptic number.
2031020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2031020 is an abundant number, since it is smaller than the sum of its proper divisors (2266084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031020 is a wasteful number, since it uses less digits than its factorization.
2031020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769 (or 767 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 2031020 is about 1425.1385897519. The cubic root of 2031020 is about 126.6401452630.
Adding to 2031020 its reverse (201302), we get a palindrome (2232322).
The spelling of 2031020 in words is "two million, thirty-one thousand, twenty".
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