| Base | Representation |
|---|---|
| bin | 10111100100111… |
| … | …00011010010100 |
| 3 | 111210010220111000 |
| 4 | 23302130122110 |
| 5 | 401112213243 |
| 6 | 31342543300 |
| 7 | 4621020342 |
| oct | 1362343224 |
| 9 | 453126430 |
| 10 | 197772948 |
| 11 | a170181a |
| 12 | 56297b30 |
| 13 | 31c87719 |
| 14 | 1c3a2992 |
| 15 | 125695d3 |
| hex | bc9c694 |
197772948 has 48 divisors (see below), whose sum is σ = 517849920. Its totient is φ = 65268000.
The previous prime is 197772947. The next prime is 197772961. The reversal of 197772948 is 849277791.
197772948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1977729482 = 78228277921221408, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 197772894 and 197772903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (197772941) 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, 1843 + ... + 19973.
It is an arithmetic number, because the mean of its divisors is an integer number (10788540).
Almost surely, 2197772948 is an apocalyptic number.
197772948 is a gapful number since it is divisible by the number (18) 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 197772948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258924960).
197772948 is an abundant number, since it is smaller than the sum of its proper divisors (320076972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197772948 is a wasteful number, since it uses less digits than its factorization.
197772948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18245 (or 18237 counting only the distinct ones).
The product of its digits is 1778112, while the sum is 54.
The square root of 197772948 is about 14063.1770237027. The cubic root of 197772948 is about 582.6247940057.
The spelling of 197772948 in words is "one hundred ninety-seven million, seven hundred seventy-two thousand, nine hundred forty-eight".
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