Base | Representation |
---|---|
bin | 11111011101101101110 |
3 | 1221101022000 |
4 | 3323231232 |
5 | 230443042 |
6 | 34033130 |
7 | 11522616 |
oct | 3735556 |
9 | 1841260 |
10 | 1031022 |
11 | 644693 |
12 | 4187a6 |
13 | 2a1395 |
14 | 1cba46 |
15 | 15574c |
hex | fbb6e |
1031022 has 32 divisors (see below), whose sum is σ = 2336160. Its totient is φ = 336960.
The previous prime is 1031003. The next prime is 1031047. The reversal of 1031022 is 2201301.
It is a happy number.
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 = 1030995 and 1031013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3138 + ... + 3450.
It is an arithmetic number, because the mean of its divisors is an integer number (73005).
21031022 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1031022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168080).
1031022 is an abundant number, since it is smaller than the sum of its proper divisors (1305138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1031022 is a wasteful number, since it uses less digits than its factorization.
1031022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385 (or 379 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 1031022 is about 1015.3925349342. The cubic root of 1031022 is about 101.0235542882.
Adding to 1031022 its reverse (2201301), we get a palindrome (3232323).
The spelling of 1031022 in words is "one million, thirty-one thousand, twenty-two".
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