Base | Representation |
---|---|
bin | 11010111001010001010 |
3 | 1122202220101 |
4 | 3113022022 |
5 | 211200130 |
6 | 30520014 |
7 | 10330234 |
oct | 3271212 |
9 | 1582811 |
10 | 881290 |
11 | 552143 |
12 | 36600a |
13 | 24b197 |
14 | 18d254 |
15 | 1261ca |
hex | d728a |
881290 has 8 divisors (see below), whose sum is σ = 1586340. Its totient is φ = 352512.
The previous prime is 881273. The next prime is 881311. The reversal of 881290 is 92188.
881290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 840889 + 40401 = 917^2 + 201^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44055 + ... + 44074.
2881290 is an apocalyptic number.
881290 is a deficient number, since it is larger than the sum of its proper divisors (705050).
881290 is a wasteful number, since it uses less digits than its factorization.
881290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88136.
The product of its (nonzero) digits is 1152, while the sum is 28.
The square root of 881290 is about 938.7704724798. The cubic root of 881290 is about 95.8751995189.
It can be divided in two parts, 88 and 1290, that added together give a triangular number (1378 = T52).
The spelling of 881290 in words is "eight hundred eighty-one thousand, two hundred ninety".
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