Base | Representation |
---|---|
bin | 1100010111001011101001 |
3 | 20002122101020 |
4 | 30113023221 |
5 | 1312200211 |
6 | 153243053 |
7 | 36355023 |
oct | 14271351 |
9 | 6078336 |
10 | 3240681 |
11 | 1913854 |
12 | 1103489 |
13 | 896082 |
14 | 605013 |
15 | 440306 |
hex | 3172e9 |
3240681 has 8 divisors (see below), whose sum is σ = 4426464. Its totient is φ = 2107680.
The previous prime is 3240667. The next prime is 3240683. The reversal of 3240681 is 1860423.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3240681 - 25 = 3240649 is a prime.
It is a super-2 number, since 2×32406812 = 21004026687522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3240683) 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, 13051 + ... + 13296.
It is an arithmetic number, because the mean of its divisors is an integer number (553308).
Almost surely, 23240681 is an apocalyptic number.
It is an amenable number.
3240681 is a deficient number, since it is larger than the sum of its proper divisors (1185783).
3240681 is a wasteful number, since it uses less digits than its factorization.
3240681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26391.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 3240681 is about 1800.1891567277. The cubic root of 3240681 is about 147.9830909584.
The spelling of 3240681 in words is "three million, two hundred forty thousand, six hundred eighty-one".
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