Base | Representation |
---|---|
bin | 1011101011100… |
… | …01111001010000 |
3 | 20211101002220000 |
4 | 11311301321100 |
5 | 200040442310 |
6 | 13420050000 |
7 | 2266564605 |
oct | 565617120 |
9 | 224332800 |
10 | 97984080 |
11 | 50344987 |
12 | 28993900 |
13 | 173b905c |
14 | d0286ac |
15 | 89074c0 |
hex | 5d71e50 |
97984080 has 100 divisors (see below), whose sum is σ = 340335732. Its totient is φ = 26127360.
The previous prime is 97984067. The next prime is 97984091. The reversal of 97984080 is 8048979.
It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 70358544 = 5256^2 + 8388^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1081 + ... + 14040.
Almost surely, 297984080 is an apocalyptic number.
97984080 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 97984080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170167866).
97984080 is an abundant number, since it is smaller than the sum of its proper divisors (242351652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
97984080 is a wasteful number, since it uses less digits than its factorization.
97984080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15146 (or 15131 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 45.
The square root of 97984080 is about 9898.6908225280. The cubic root of 97984080 is about 461.0186624982.
The spelling of 97984080 in words is "ninety-seven million, nine hundred eighty-four thousand, eighty".
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