Base | Representation |
---|---|
bin | 1011100101000… |
… | …01011111101101 |
3 | 20202202201222002 |
4 | 11302201133231 |
5 | 144331133402 |
6 | 13345502045 |
7 | 2256411143 |
oct | 562413755 |
9 | 222681862 |
10 | 97130477 |
11 | 4a911624 |
12 | 28641925 |
13 | 1717a672 |
14 | cc85593 |
15 | 87d9602 |
hex | 5ca17ed |
97130477 has 8 divisors (see below), whose sum is σ = 97915896. Its totient is φ = 96348672.
The previous prime is 97130459. The next prime is 97130479. The reversal of 97130477 is 77403179.
It can be written as a sum of positive squares in 4 ways, for example, as 5851561 + 91278916 = 2419^2 + 9554^2 .
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 97130477 - 218 = 96868333 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 97130477.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97130479) 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, 77903 + ... + 79139.
It is an arithmetic number, because the mean of its divisors is an integer number (12239487).
Almost surely, 297130477 is an apocalyptic number.
It is an amenable number.
97130477 is a deficient number, since it is larger than the sum of its proper divisors (785419).
97130477 is a wasteful number, since it uses less digits than its factorization.
97130477 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1807.
The product of its (nonzero) digits is 37044, while the sum is 38.
The square root of 97130477 is about 9855.4795418589. The cubic root of 97130477 is about 459.6760116218.
The spelling of 97130477 in words is "ninety-seven million, one hundred thirty thousand, four hundred seventy-seven".
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