Base | Representation |
---|---|
bin | 1110110001010011100100 |
3 | 21021201100101 |
4 | 32301103210 |
5 | 1442400342 |
6 | 214553444 |
7 | 44624356 |
oct | 16612344 |
9 | 7251311 |
10 | 3871972 |
11 | 2205085 |
12 | 1368884 |
13 | a57510 |
14 | 72b0d6 |
15 | 5173b7 |
hex | 3b14e4 |
3871972 has 24 divisors (see below), whose sum is σ = 7683200. Its totient is φ = 1692576.
The previous prime is 3871969. The next prime is 3872017. The reversal of 3871972 is 2791783.
3871972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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, 972 + ... + 2947.
Almost surely, 23871972 is an apocalyptic number.
It is an amenable number.
3871972 is a deficient number, since it is larger than the sum of its proper divisors (3811228).
3871972 is a wasteful number, since it uses less digits than its factorization.
3871972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3955 (or 3953 counting only the distinct ones).
The product of its digits is 21168, while the sum is 37.
The square root of 3871972 is about 1967.7327054252. The cubic root of 3871972 is about 157.0281096977.
It can be divided in two parts, 38 and 71972, that added together give a triangular number (72010 = T379).
The spelling of 3871972 in words is "three million, eight hundred seventy-one thousand, nine hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •