Base | Representation |
---|---|
bin | 100101000001000… |
… | …0000101110010000 |
3 | 10012120010020021010 |
4 | 1022002000232100 |
5 | 10020430304412 |
6 | 323125130520 |
7 | 42531114315 |
oct | 11202005620 |
9 | 3176106233 |
10 | 1242041232 |
11 | 588110a63 |
12 | 2a7b59a40 |
13 | 16a424153 |
14 | bad54d0c |
15 | 7409233c |
hex | 4a080b90 |
1242041232 has 40 divisors (see below), whose sum is σ = 3319251840. Its totient is φ = 399736960.
The previous prime is 1242041231. The next prime is 1242041263. The reversal of 1242041232 is 2321402421.
It is a junction number, because it is equal to n+sod(n) for n = 1242041199 and 1242041208.
It is not an unprimeable number, because it can be changed into a prime (1242041231) 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, 444744 + ... + 447527.
It is an arithmetic number, because the mean of its divisors is an integer number (82981296).
Almost surely, 21242041232 is an apocalyptic number.
1242041232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1242041232 is an abundant number, since it is smaller than the sum of its proper divisors (2077210608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1242041232 is a wasteful number, since it uses less digits than its factorization.
1242041232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 892311 (or 892305 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 1242041232 is about 35242.6053520451. The cubic root of 1242041232 is about 1074.9262561997.
Adding to 1242041232 its reverse (2321402421), we get a palindrome (3563443653).
The spelling of 1242041232 in words is "one billion, two hundred forty-two million, forty-one thousand, two hundred thirty-two".
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