Base | Representation |
---|---|
bin | 110101100001011… |
… | …001100110010001 |
3 | 2022120122111011011 |
4 | 311201121212101 |
5 | 3314333314144 |
6 | 225034050521 |
7 | 31152301225 |
oct | 6541314621 |
9 | 2276574134 |
10 | 897948049 |
11 | 420960729 |
12 | 210879a41 |
13 | 11405870b |
14 | 87384785 |
15 | 53c73a34 |
hex | 35859991 |
897948049 has 8 divisors (see below), whose sum is σ = 910344960. Its totient is φ = 885577056.
The previous prime is 897948047. The next prime is 897948061. The reversal of 897948049 is 940849798.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 897948049 - 21 = 897948047 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 897947984 and 897948002.
It is not an unprimeable number, because it can be changed into a prime (897948043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69324 + ... + 81250.
It is an arithmetic number, because the mean of its divisors is an integer number (113793120).
Almost surely, 2897948049 is an apocalyptic number.
It is an amenable number.
897948049 is a deficient number, since it is larger than the sum of its proper divisors (12396911).
897948049 is a wasteful number, since it uses less digits than its factorization.
897948049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12959.
The product of its (nonzero) digits is 5225472, while the sum is 58.
The square root of 897948049 is about 29965.7813013444. The cubic root of 897948049 is about 964.7550718477.
The spelling of 897948049 in words is "eight hundred ninety-seven million, nine hundred forty-eight thousand, forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •