Base | Representation |
---|---|
bin | 1011100111110… |
… | …00111001101010 |
3 | 20210102221001211 |
4 | 11303320321222 |
5 | 144424112430 |
6 | 13401303334 |
7 | 2262432001 |
oct | 563707152 |
9 | 223387054 |
10 | 97488490 |
11 | 50036600 |
12 | 28794b4a |
13 | 172745c8 |
14 | cd39c38 |
15 | 885a72a |
hex | 5cf8e6a |
97488490 has 96 divisors (see below), whose sum is σ = 209599488. Its totient is φ = 32524800.
The previous prime is 97488463. The next prime is 97488499. The reversal of 97488490 is 9488479.
It is not an unprimeable number, because it can be changed into a prime (97488499) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 862674 + ... + 862786.
It is an arithmetic number, because the mean of its divisors is an integer number (2183328).
Almost surely, 297488490 is an apocalyptic number.
97488490 is an abundant number, since it is smaller than the sum of its proper divisors (112110998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97488490 is a wasteful number, since it uses less digits than its factorization.
97488490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196 (or 185 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 49.
The square root of 97488490 is about 9873.6259803580. The cubic root of 97488490 is about 460.2400920560.
Subtracting from 97488490 its reverse (9488479), we obtain a triangular number (88000011 = T13266).
The spelling of 97488490 in words is "ninety-seven million, four hundred eighty-eight thousand, four hundred ninety".
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