Base | Representation |
---|---|
bin | 1011100100100… |
… | …00100010011100 |
3 | 20202122012200121 |
4 | 11302100202130 |
5 | 144321423040 |
6 | 13344204324 |
7 | 2256001510 |
oct | 562204234 |
9 | 222565617 |
10 | 97061020 |
11 | 4a874421 |
12 | 286096a4 |
13 | 17154b74 |
14 | cc68140 |
15 | 87c3c4a |
hex | 5c9089c |
97061020 has 96 divisors (see below), whose sum is σ = 241532928. Its totient is φ = 32078592.
The previous prime is 97060979. The next prime is 97061023. The reversal of 97061020 is 2016079.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (97061023) 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 31 ways as a sum of consecutive naturals, for example, 764197 + ... + 764323.
It is an arithmetic number, because the mean of its divisors is an integer number (2515968).
Almost surely, 297061020 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 97061020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120766464).
97061020 is an abundant number, since it is smaller than the sum of its proper divisors (144471908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97061020 is a wasteful number, since it uses less digits than its factorization.
97061020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299 (or 297 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 97061020 is about 9851.9551359108. The cubic root of 97061020 is about 459.5664156394.
Adding to 97061020 its reverse (2016079), we get a palindrome (99077099).
The spelling of 97061020 in words is "ninety-seven million, sixty-one thousand, twenty".
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