Base | Representation |
---|---|
bin | 1110110001010100001101 |
3 | 21021201101220 |
4 | 32301110031 |
5 | 1442401023 |
6 | 214553553 |
7 | 44624445 |
oct | 16612415 |
9 | 7251356 |
10 | 3872013 |
11 | 2205112 |
12 | 13688b9 |
13 | a57542 |
14 | 72b125 |
15 | 5173e3 |
hex | 3b150d |
3872013 has 8 divisors (see below), whose sum is σ = 5302368. Its totient is φ = 2511504.
The previous prime is 3871969. The next prime is 3872017. The reversal of 3872013 is 3102783.
3872013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3872013 - 29 = 3871501 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3872017) 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 7 ways as a sum of consecutive naturals, for example, 17331 + ... + 17552.
It is an arithmetic number, because the mean of its divisors is an integer number (662796).
Almost surely, 23872013 is an apocalyptic number.
It is an amenable number.
3872013 is a deficient number, since it is larger than the sum of its proper divisors (1430355).
3872013 is a wasteful number, since it uses less digits than its factorization.
3872013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34923.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 3872013 is about 1967.7431234793. The cubic root of 3872013 is about 157.0286639484.
Adding to 3872013 its reverse (3102783), we get a palindrome (6974796).
The spelling of 3872013 in words is "three million, eight hundred seventy-two thousand, thirteen".
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