Base | Representation |
---|---|
bin | 1011100101000… |
… | …10000101100001 |
3 | 20202202212021201 |
4 | 11302202011201 |
5 | 144331223042 |
6 | 13345521201 |
7 | 2256421201 |
oct | 562420541 |
9 | 222685251 |
10 | 97132897 |
11 | 4a913424 |
12 | 28643201 |
13 | 1717b7b4 |
14 | cc86401 |
15 | 87da1b7 |
hex | 5ca2161 |
97132897 has 4 divisors (see below), whose sum is σ = 97152660. Its totient is φ = 97113136.
The previous prime is 97132853. The next prime is 97132907. The reversal of 97132897 is 79823179.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 90326016 = 2609^2 + 9504^2 .
It is a cyclic number.
It is not a de Polignac number, because 97132897 - 219 = 96608609 is a prime.
It is a super-3 number, since 3×971328973 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (97132837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3879 + ... + 14467.
It is an arithmetic number, because the mean of its divisors is an integer number (24288165).
Almost surely, 297132897 is an apocalyptic number.
It is an amenable number.
97132897 is a deficient number, since it is larger than the sum of its proper divisors (19763).
97132897 is a wasteful number, since it uses less digits than its factorization.
97132897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19762.
The product of its digits is 190512, while the sum is 46.
The square root of 97132897 is about 9855.6023154346. The cubic root of 97132897 is about 459.6798291902.
The spelling of 97132897 in words is "ninety-seven million, one hundred thirty-two thousand, eight hundred ninety-seven".
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