Base | Representation |
---|---|
bin | 100101010000110… |
… | …0101111101110001 |
3 | 10020010200211221002 |
4 | 1022201211331301 |
5 | 10030040221431 |
6 | 324022411345 |
7 | 42661355342 |
oct | 11241457561 |
9 | 3203624832 |
10 | 1250320241 |
11 | 591856115 |
12 | 2aa890b55 |
13 | 16c062581 |
14 | bc0ac0c9 |
15 | 74b7a3cb |
hex | 4a865f71 |
1250320241 has 4 divisors (see below), whose sum is σ = 1290653184. Its totient is φ = 1209987300.
The previous prime is 1250320237. The next prime is 1250320249. The reversal of 1250320241 is 1420230521.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1420230521 = 1103 ⋅1287607.
It is a cyclic number.
It is not a de Polignac number, because 1250320241 - 22 = 1250320237 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1250320249) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20166425 + ... + 20166486.
It is an arithmetic number, because the mean of its divisors is an integer number (322663296).
Almost surely, 21250320241 is an apocalyptic number.
It is an amenable number.
1250320241 is a deficient number, since it is larger than the sum of its proper divisors (40332943).
1250320241 is an equidigital number, since it uses as much as digits as its factorization.
1250320241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40332942.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1250320241 is about 35359.8676609514. The cubic root of 1250320241 is about 1077.3093289371.
Adding to 1250320241 its reverse (1420230521), we get a palindrome (2670550762).
The spelling of 1250320241 in words is "one billion, two hundred fifty million, three hundred twenty thousand, two hundred forty-one".
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