Base | Representation |
---|---|
bin | 111110010101… |
… | …0110000110101 |
3 | 2021111100220220 |
4 | 1330222300311 |
5 | 31331243023 |
6 | 3124244553 |
7 | 544532631 |
oct | 174526065 |
9 | 67440826 |
10 | 32681013 |
11 | 174a1802 |
12 | ab40759 |
13 | 6a033a1 |
14 | 44a9dc1 |
15 | 2d083e3 |
hex | 1f2ac35 |
32681013 has 8 divisors (see below), whose sum is σ = 43601376. Its totient is φ = 21774000.
The previous prime is 32681009. The next prime is 32681023. The reversal of 32681013 is 31018623.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 32681013 - 22 = 32681009 is a prime.
It is a super-2 number, since 2×326810132 = 2136097221412338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32681023) 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, 6643 + ... + 10463.
It is an arithmetic number, because the mean of its divisors is an integer number (5450172).
Almost surely, 232681013 is an apocalyptic number.
It is an amenable number.
32681013 is a deficient number, since it is larger than the sum of its proper divisors (10920363).
32681013 is a wasteful number, since it uses less digits than its factorization.
32681013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6675.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 32681013 is about 5716.7309714556. The cubic root of 32681013 is about 319.7165882599.
Adding to 32681013 its reverse (31018623), we get a palindrome (63699636).
The spelling of 32681013 in words is "thirty-two million, six hundred eighty-one thousand, thirteen".
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