| Base | Representation |
|---|---|
| bin | 10111100110010… |
| … | …10111101111000 |
| 3 | 111210111121001200 |
| 4 | 23303022331320 |
| 5 | 401134314030 |
| 6 | 31351014200 |
| 7 | 4622443320 |
| oct | 1363127570 |
| 9 | 453447050 |
| 10 | 197963640 |
| 11 | a1822016 |
| 12 | 5636a360 |
| 13 | 32023464 |
| 14 | 1c412280 |
| 15 | 125a5d60 |
| hex | bccaf78 |
197963640 has 192 divisors, whose sum is σ = 778714560. Its totient is φ = 42577920.
The previous prime is 197963617. The next prime is 197963677. The reversal of 197963640 is 46369791.
197963640 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 636 + 4 + 0 = 666.
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 a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40530 + ... + 45150.
It is an arithmetic number, because the mean of its divisors is an integer number (4055805).
Almost surely, 2197963640 is an apocalyptic number.
197963640 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 197963640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389357280).
197963640 is an abundant number, since it is smaller than the sum of its proper divisors (580750920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197963640 is a wasteful number, since it uses less digits than its factorization.
197963640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4662 (or 4655 counting only the distinct ones).
The product of its (nonzero) digits is 244944, while the sum is 45.
The square root of 197963640 is about 14069.9552238093. The cubic root of 197963640 is about 582.8119887989.
It can be divided in two parts, 19796 and 3640, that added together give a triangular number (23436 = T216).
The spelling of 197963640 in words is "one hundred ninety-seven million, nine hundred sixty-three thousand, six hundred forty".
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