Base | Representation |
---|---|
bin | 1100001101100100000001 |
3 | 20000122022222 |
4 | 30031210001 |
5 | 1304420111 |
6 | 152340425 |
7 | 36132116 |
oct | 14154401 |
9 | 6018288 |
10 | 3201281 |
11 | 1897196 |
12 | 10a4715 |
13 | 881165 |
14 | 5d490d |
15 | 4337db |
hex | 30d901 |
3201281 has 8 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 3036880.
The previous prime is 3201271. The next prime is 3201293. The reversal of 3201281 is 1821023.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3201281 - 210 = 3200257 is a prime.
It is a super-2 number, since 2×32012812 = 20496400081922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3201251) 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, 776 + ... + 2646.
It is an arithmetic number, because the mean of its divisors is an integer number (421200).
Almost surely, 23201281 is an apocalyptic number.
It is an amenable number.
3201281 is a deficient number, since it is larger than the sum of its proper divisors (168319).
3201281 is a wasteful number, since it uses less digits than its factorization.
3201281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1959.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 3201281 is about 1789.2123965589. The cubic root of 3201281 is about 147.3809208405.
The spelling of 3201281 in words is "three million, two hundred one thousand, two hundred eighty-one".
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