Base | Representation |
---|---|
bin | 10111100010000… |
… | …00111001000000 |
3 | 111202102212021000 |
4 | 23301000321000 |
5 | 401013214310 |
6 | 31330532000 |
7 | 4614566415 |
oct | 1361007100 |
9 | 452385230 |
10 | 197398080 |
11 | a1476110 |
12 | 56137000 |
13 | 31b85bc9 |
14 | 1c30610c |
15 | 124e34c0 |
hex | bc40e40 |
197398080 has 448 divisors, whose sum is σ = 795893760. Its totient is φ = 45619200.
The previous prime is 197398051. The next prime is 197398081. The reversal of 197398080 is 80893791.
197398080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (197398081) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2946207 + ... + 2946273.
Almost surely, 2197398080 is an apocalyptic number.
197398080 is a gapful number since it is divisible by the number (10) 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 197398080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397946880).
197398080 is an abundant number, since it is smaller than the sum of its proper divisors (598495680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197398080 is a wasteful number, since it uses less digits than its factorization.
197398080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135 (or 119 counting only the distinct ones).
The product of its (nonzero) digits is 108864, while the sum is 45.
The square root of 197398080 is about 14049.8427037458. The cubic root of 197398080 is about 582.2564498478.
The spelling of 197398080 in words is "one hundred ninety-seven million, three hundred ninety-eight thousand, eighty".
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