Base | Representation |
---|---|
bin | 111101111110110100100 |
3 | 10211012000200 |
4 | 13233312210 |
5 | 1004443022 |
6 | 111310500 |
7 | 23156214 |
oct | 7576644 |
9 | 3735020 |
10 | 2031012 |
11 | 1167a25 |
12 | 81b430 |
13 | 5615a9 |
14 | 3ac244 |
15 | 2a1bac |
hex | 1efda4 |
2031012 has 18 divisors (see below), whose sum is σ = 5134038. Its totient is φ = 676992.
The previous prime is 2030999. The next prime is 2031023. The reversal of 2031012 is 2101302.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1806336 + 224676 = 1344^2 + 474^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2030985 and 2031003.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28173 + ... + 28244.
22031012 is an apocalyptic number.
It is an amenable number.
2031012 is an abundant number, since it is smaller than the sum of its proper divisors (3103026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031012 is a wasteful number, since it uses less digits than its factorization.
2031012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56427 (or 56422 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 2031012 is about 1425.1357830046. The cubic root of 2031012 is about 126.6399789882.
Adding to 2031012 its reverse (2101302), we get a palindrome (4132314).
The spelling of 2031012 in words is "two million, thirty-one thousand, twelve".
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