Base | Representation |
---|---|
bin | 10111011110111… |
… | …11111011000101 |
3 | 111201200200102200 |
4 | 23233133323011 |
5 | 400413012101 |
6 | 31314225113 |
7 | 4611323436 |
oct | 1357377305 |
9 | 451620380 |
10 | 197000901 |
11 | a1224769 |
12 | 55b85199 |
13 | 31a771a6 |
14 | 1c24148d |
15 | 12465986 |
hex | bbdfec5 |
197000901 has 6 divisors (see below), whose sum is σ = 284556870. Its totient is φ = 131333928.
The previous prime is 197000899. The next prime is 197000927. The reversal of 197000901 is 109000791.
It can be written as a sum of positive squares in only one way, i.e., 196280100 + 720801 = 14010^2 + 849^2 .
It is not a de Polignac number, because 197000901 - 21 = 197000899 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (197000101) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10944486 + ... + 10944503.
It is an arithmetic number, because the mean of its divisors is an integer number (47426145).
Almost surely, 2197000901 is an apocalyptic number.
It is an amenable number.
197000901 is a deficient number, since it is larger than the sum of its proper divisors (87555969).
197000901 is a wasteful number, since it uses less digits than its factorization.
197000901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21888995 (or 21888992 counting only the distinct ones).
The product of its (nonzero) digits is 567, while the sum is 27.
The square root of 197000901 is about 14035.7009443775. The cubic root of 197000901 is about 581.8656738214.
The spelling of 197000901 in words is "one hundred ninety-seven million, nine hundred one", and thus it is an aban number.
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