Base | Representation |
---|---|
bin | 10111000010010111000101 |
3 | 102100210220222 |
4 | 113002113011 |
5 | 3021221411 |
6 | 333234125 |
7 | 102221234 |
oct | 27022705 |
9 | 12323828 |
10 | 6038981 |
11 | 34551a3 |
12 | 2032945 |
13 | 1335980 |
14 | b32b1b |
15 | 7e44db |
hex | 5c25c5 |
6038981 has 4 divisors (see below), whose sum is σ = 6503532. Its totient is φ = 5574432.
The previous prime is 6038953. The next prime is 6038999. The reversal of 6038981 is 1898306.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1898306 = 2 ⋅949153.
It can be written as a sum of positive squares in 2 ways, for example, as 586756 + 5452225 = 766^2 + 2335^2 .
It is a cyclic number.
It is not a de Polignac number, because 6038981 - 210 = 6037957 is a prime.
It is a super-2 number, since 2×60389812 = 72938583036722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6038951) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 232256 + ... + 232281.
It is an arithmetic number, because the mean of its divisors is an integer number (1625883).
Almost surely, 26038981 is an apocalyptic number.
It is an amenable number.
6038981 is a deficient number, since it is larger than the sum of its proper divisors (464551).
6038981 is a wasteful number, since it uses less digits than its factorization.
6038981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 464550.
The product of its (nonzero) digits is 10368, while the sum is 35.
The square root of 6038981 is about 2457.4338241344. The cubic root of 6038981 is about 182.1047277943.
The spelling of 6038981 in words is "six million, thirty-eight thousand, nine hundred eighty-one".
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