Base | Representation |
---|---|
bin | 1110101011101100011111 |
3 | 21020112211020 |
4 | 32223230133 |
5 | 1441131431 |
6 | 214255223 |
7 | 44500356 |
oct | 16535437 |
9 | 7215736 |
10 | 3848991 |
11 | 2199893 |
12 | 1357513 |
13 | a49c13 |
14 | 72299d |
15 | 510696 |
hex | 3abb1f |
3848991 has 8 divisors (see below), whose sum is σ = 5297664. Its totient is φ = 2483160.
The previous prime is 3848969. The next prime is 3849017. The reversal of 3848991 is 1998483.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3848991 - 211 = 3846943 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3848921) 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, 20601 + ... + 20786.
It is an arithmetic number, because the mean of its divisors is an integer number (662208).
Almost surely, 23848991 is an apocalyptic number.
3848991 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
3848991 is a deficient number, since it is larger than the sum of its proper divisors (1448673).
3848991 is a wasteful number, since it uses less digits than its factorization.
3848991 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41421.
The product of its digits is 62208, while the sum is 42.
The square root of 3848991 is about 1961.8845531784. The cubic root of 3848991 is about 156.7168276580.
The spelling of 3848991 in words is "three million, eight hundred forty-eight thousand, nine hundred ninety-one".
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