Base | Representation |
---|---|
bin | 1010111000000100000000 |
3 | 12100211221021 |
4 | 22320010000 |
5 | 1212213242 |
6 | 141035224 |
7 | 33143110 |
oct | 12700400 |
9 | 5324837 |
10 | 2851072 |
11 | 1678064 |
12 | b55b14 |
13 | 78a933 |
14 | 543040 |
15 | 3b4b67 |
hex | 2b8100 |
2851072 has 72 divisors (see below), whose sum is σ = 6835136. Its totient is φ = 1161216.
The previous prime is 2851061. The next prime is 2851081. The reversal of 2851072 is 2701582.
It is a super-2 number, since 2×28510722 = 16257223098368, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66283 + ... + 66325.
22851072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2851072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3417568).
2851072 is an abundant number, since it is smaller than the sum of its proper divisors (3984064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2851072 is an equidigital number, since it uses as much as digits as its factorization.
2851072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103 (or 89 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 2851072 is about 1688.5117707615. The cubic root of 2851072 is about 141.7977680656.
It can be divided in two parts, 28510 and 72, that added together give a palindrome (28582).
The spelling of 2851072 in words is "two million, eight hundred fifty-one thousand, seventy-two".
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