Base | Representation |
---|---|
bin | 1111001101101011100011 |
3 | 21111121202221 |
4 | 33031223203 |
5 | 2010110240 |
6 | 221251511 |
7 | 45620251 |
oct | 17155343 |
9 | 7447687 |
10 | 3988195 |
11 | 2284432 |
12 | 1403b97 |
13 | a983a3 |
14 | 75b5d1 |
15 | 53ba4a |
hex | 3cdae3 |
3988195 has 8 divisors (see below), whose sum is σ = 5037840. Its totient is φ = 3022560.
The previous prime is 3988151. The next prime is 3988213. The reversal of 3988195 is 5918893.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3988195 - 213 = 3980003 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20896 + ... + 21085.
It is an arithmetic number, because the mean of its divisors is an integer number (629730).
Almost surely, 23988195 is an apocalyptic number.
3988195 is a deficient number, since it is larger than the sum of its proper divisors (1049645).
3988195 is a wasteful number, since it uses less digits than its factorization.
3988195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42005.
The product of its digits is 77760, while the sum is 43.
The square root of 3988195 is about 1997.0465693118. The cubic root of 3988195 is about 158.5837907430.
The spelling of 3988195 in words is "three million, nine hundred eighty-eight thousand, one hundred ninety-five".
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