Base | Representation |
---|---|
bin | 1011101011100… |
… | …10101000011010 |
3 | 20211101021000210 |
4 | 11311302220122 |
5 | 200041041343 |
6 | 13420111550 |
7 | 2266606446 |
oct | 565625032 |
9 | 224337023 |
10 | 97987098 |
11 | 50347180 |
12 | 289955b6 |
13 | 173ba541 |
14 | d029826 |
15 | 8908333 |
hex | 5d72a1a |
97987098 has 32 divisors (see below), whose sum is σ = 216990720. Its totient is φ = 29248560.
The previous prime is 97987091. The next prime is 97987117. The reversal of 97987098 is 89078979.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (97987091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6658 + ... + 15501.
It is an arithmetic number, because the mean of its divisors is an integer number (6780960).
Almost surely, 297987098 is an apocalyptic number.
97987098 is an abundant number, since it is smaller than the sum of its proper divisors (119003622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97987098 is a wasteful number, since it uses less digits than its factorization.
97987098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22242.
The product of its (nonzero) digits is 2286144, while the sum is 57.
The square root of 97987098 is about 9898.8432657559. The cubic root of 97987098 is about 461.0233957162.
The spelling of 97987098 in words is "ninety-seven million, nine hundred eighty-seven thousand, ninety-eight".
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