Base | Representation |
---|---|
bin | 110101011111000… |
… | …111000101000011 |
3 | 2022112111222220200 |
4 | 311133013011003 |
5 | 3314210113112 |
6 | 225013140243 |
7 | 31144221441 |
oct | 6537070503 |
9 | 2275458820 |
10 | 897347907 |
11 | 420590845 |
12 | 21062a683 |
13 | 113ba84c1 |
14 | 87269b91 |
15 | 53ba5cdc |
hex | 357c7143 |
897347907 has 12 divisors (see below), whose sum is σ = 1372414680. Its totient is φ = 563041728.
The previous prime is 897347887. The next prime is 897347909. The reversal of 897347907 is 709743798.
It is not a de Polignac number, because 897347907 - 28 = 897347651 is a prime.
It is not an unprimeable number, because it can be changed into a prime (897347909) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2932357 + ... + 2932662.
It is an arithmetic number, because the mean of its divisors is an integer number (114367890).
Almost surely, 2897347907 is an apocalyptic number.
897347907 is a deficient number, since it is larger than the sum of its proper divisors (475066773).
897347907 is a wasteful number, since it uses less digits than its factorization.
897347907 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5865042 (or 5865039 counting only the distinct ones).
The product of its (nonzero) digits is 2667168, while the sum is 54.
The square root of 897347907 is about 29955.7658389833. The cubic root of 897347907 is about 964.5400931617.
The spelling of 897347907 in words is "eight hundred ninety-seven million, three hundred forty-seven thousand, nine hundred seven".
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