| Base | Representation |
|---|---|
| bin | 10111100000110… |
| … | …11101000000000 |
| 3 | 111202011002212200 |
| 4 | 23300123220000 |
| 5 | 400443323230 |
| 6 | 31323353200 |
| 7 | 4613362410 |
| oct | 1360335000 |
| 9 | 452132780 |
| 10 | 197245440 |
| 11 | a1381467 |
| 12 | 56082800 |
| 13 | 31b315a2 |
| 14 | 1c2a6640 |
| 15 | 124b3160 |
| hex | bc1ba00 |
197245440 has 240 divisors, whose sum is σ = 781342848. Its totient is φ = 45047808.
The previous prime is 197245393. The next prime is 197245459. The reversal of 197245440 is 44542791.
It is a happy number.
197245440 is a `hidden beast` number, since 1 + 97 + 24 + 544 + 0 = 666.
197245440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (240).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 197245395 and 197245404.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160669 + ... + 161891.
Almost surely, 2197245440 is an apocalyptic number.
197245440 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 197245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390671424).
197245440 is an abundant number, since it is smaller than the sum of its proper divisors (584097408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197245440 is a wasteful number, since it uses less digits than its factorization.
197245440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1259 (or 1240 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 197245440 is about 14044.4095639511. The cubic root of 197245440 is about 582.1063326459.
The spelling of 197245440 in words is "one hundred ninety-seven million, two hundred forty-five thousand, four hundred forty".
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