Base | Representation |
---|---|
bin | 11011011000000111001 |
3 | 1200120120020 |
4 | 3123000321 |
5 | 212201311 |
6 | 31121053 |
7 | 10424253 |
oct | 3330071 |
9 | 1616506 |
10 | 897081 |
11 | 562a99 |
12 | 373189 |
13 | 255423 |
14 | 194cd3 |
15 | 12ac06 |
hex | db039 |
897081 has 4 divisors (see below), whose sum is σ = 1196112. Its totient is φ = 598052.
The previous prime is 897077. The next prime is 897101. The reversal of 897081 is 180798.
897081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 897081 - 22 = 897077 is a prime.
It is a super-2 number, since 2×8970812 = 1609508641122, which contains 22 as substring.
It is a D-number.
It is not an unprimeable number, because it can be changed into a prime (897011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149511 + ... + 149516.
It is an arithmetic number, because the mean of its divisors is an integer number (299028).
2897081 is an apocalyptic number.
It is an amenable number.
897081 is a deficient number, since it is larger than the sum of its proper divisors (299031).
897081 is a wasteful number, since it uses less digits than its factorization.
897081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299030.
The product of its (nonzero) digits is 4032, while the sum is 33.
The square root of 897081 is about 947.1436005168. The cubic root of 897081 is about 96.4444452801. Note that the first 5 decimals are identical.
The spelling of 897081 in words is "eight hundred ninety-seven thousand, eighty-one".
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