Base | Representation |
---|---|
bin | 10111100001111… |
… | …00101011000111 |
3 | 111202101222120021 |
4 | 23300330223013 |
5 | 401012141212 |
6 | 31330320011 |
7 | 4614465151 |
oct | 1360745307 |
9 | 452358507 |
10 | 197380807 |
11 | a1464138 |
12 | 56129007 |
13 | 31b7b0a0 |
14 | 1c2ddad1 |
15 | 124dd307 |
hex | bc3cac7 |
197380807 has 8 divisors (see below), whose sum is σ = 213839136. Its totient is φ = 181104672.
The previous prime is 197380787. The next prime is 197380817. The reversal of 197380807 is 708083791.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 197380807 - 27 = 197380679 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (197380817) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43288 + ... + 47629.
It is an arithmetic number, because the mean of its divisors is an integer number (26729892).
Almost surely, 2197380807 is an apocalyptic number.
197380807 is a deficient number, since it is larger than the sum of its proper divisors (16458329).
197380807 is a wasteful number, since it uses less digits than its factorization.
197380807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91097.
The product of its (nonzero) digits is 84672, while the sum is 43.
The square root of 197380807 is about 14049.2279859073. The cubic root of 197380807 is about 582.2394662159.
The spelling of 197380807 in words is "one hundred ninety-seven million, three hundred eighty thousand, eight hundred seven".
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