Base | Representation |
---|---|
bin | 1000001000010100101001 |
3 | 11000021111212 |
4 | 20020110221 |
5 | 1021144431 |
6 | 113402505 |
7 | 24054350 |
oct | 10102451 |
9 | 4007455 |
10 | 2131241 |
11 | 1226262 |
12 | 869435 |
13 | 5980b8 |
14 | 3d6997 |
15 | 2c172b |
hex | 208529 |
2131241 has 8 divisors (see below), whose sum is σ = 2447424. Its totient is φ = 1818000.
The previous prime is 2131231. The next prime is 2131243. The reversal of 2131241 is 1421312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2131241 - 214 = 2114857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2131243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151 + ... + 2363.
It is an arithmetic number, because the mean of its divisors is an integer number (305928).
22131241 is an apocalyptic number.
It is an amenable number.
2131241 is a deficient number, since it is larger than the sum of its proper divisors (316183).
2131241 is a wasteful number, since it uses less digits than its factorization.
2131241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1471.
The product of its digits is 48, while the sum is 14.
The square root of 2131241 is about 1459.8770496175. The cubic root of 2131241 is about 128.6898182304.
Adding to 2131241 its reverse (1421312), we get a palindrome (3552553).
The spelling of 2131241 in words is "two million, one hundred thirty-one thousand, two hundred forty-one".
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