Base | Representation |
---|---|
bin | 1110101001111111001000 |
3 | 21020012020000 |
4 | 32221333020 |
5 | 1440420432 |
6 | 214203000 |
7 | 44441100 |
oct | 16517710 |
9 | 7205200 |
10 | 3841992 |
11 | 2194600 |
12 | 1353460 |
13 | a4698b |
14 | 720200 |
15 | 50d57c |
hex | 3a9fc8 |
3841992 has 180 divisors, whose sum is σ = 13759515. Its totient is φ = 997920.
The previous prime is 3841991. The next prime is 3841993. The reversal of 3841992 is 2991483.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It is an interprime number because it is at equal distance from previous prime (3841991) and next prime (3841993).
It can be written as a sum of positive squares in only one way, i.e., 1920996 + 1920996 = 1386^2 + 1386^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=1386.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
Its product of digits (15552) is a multiple of the sum of its prime factors (54).
It is a nialpdrome in base 7.
It is a zygodrome in base 7.
It is not an unprimeable number, because it can be changed into a prime (3841991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 349267 + ... + 349277.
Almost surely, 23841992 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3841992
3841992 is an abundant number, since it is smaller than the sum of its proper divisors (9917523).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3841992 is a wasteful number, since it uses less digits than its factorization.
3841992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54 (or 23 counting only the distinct ones).
The product of its digits is 15552, while the sum is 36.
The square root of 3841992 is about 1960.0999974491. The cubic root of 3841992 is about 156.6217788004.
The spelling of 3841992 in words is "three million, eight hundred forty-one thousand, nine hundred ninety-two".
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