Base | Representation |
---|---|
bin | 100101100010110101011 |
3 | 2022111120212 |
4 | 10230112223 |
5 | 303332001 |
6 | 42211335 |
7 | 13312511 |
oct | 4542653 |
9 | 2274525 |
10 | 1230251 |
11 | 770340 |
12 | 4b3b4b |
13 | 340c79 |
14 | 2404b1 |
15 | 1947bb |
hex | 12c5ab |
1230251 has 8 divisors (see below), whose sum is σ = 1357104. Its totient is φ = 1105920.
The previous prime is 1230241. The next prime is 1230263. The reversal of 1230251 is 1520321.
It is a happy number.
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 1230251 - 210 = 1229227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1230241) by changing a digit.
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, 491 + ... + 1643.
It is an arithmetic number, because the mean of its divisors is an integer number (169638).
21230251 is an apocalyptic number.
1230251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1230251 is a deficient number, since it is larger than the sum of its proper divisors (126853).
1230251 is a wasteful number, since it uses less digits than its factorization.
1230251 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1261.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 1230251 is about 1109.1668044077. The cubic root of 1230251 is about 107.1514145969.
Adding to 1230251 its reverse (1520321), we get a palindrome (2750572).
The spelling of 1230251 in words is "one million, two hundred thirty thousand, two hundred fifty-one".
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