Base | Representation |
---|---|
bin | 100100110000100… |
… | …0110010001100100 |
3 | 10011221212212212010 |
4 | 1021201012101210 |
5 | 10011223210340 |
6 | 322220154220 |
7 | 42364560624 |
oct | 11141062144 |
9 | 3157785763 |
10 | 1233413220 |
11 | 583258676 |
12 | 2a5098970 |
13 | 1686c2c10 |
14 | b9b4a884 |
15 | 7343ab80 |
hex | 49846464 |
1233413220 has 48 divisors (see below), whose sum is σ = 3719217600. Its totient is φ = 303609216.
The previous prime is 1233413219. The next prime is 1233413221. The reversal of 1233413220 is 223143321.
It is an interprime number because it is at equal distance from previous prime (1233413219) and next prime (1233413221).
It is not an unprimeable number, because it can be changed into a prime (1233413221) 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 15 ways as a sum of consecutive naturals, for example, 789870 + ... + 791429.
It is an arithmetic number, because the mean of its divisors is an integer number (77483700).
Almost surely, 21233413220 is an apocalyptic number.
1233413220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1233413220 is an abundant number, since it is smaller than the sum of its proper divisors (2485804380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1233413220 is a wasteful number, since it uses less digits than its factorization.
1233413220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1581324 (or 1581322 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1233413220 is about 35119.9832004516. The cubic root of 1233413220 is about 1072.4314288292.
Adding to 1233413220 its reverse (223143321), we get a palindrome (1456556541).
The spelling of 1233413220 in words is "one billion, two hundred thirty-three million, four hundred thirteen thousand, two hundred twenty".
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