Base | Representation |
---|---|
bin | 100110101111… |
… | …1010101101100 |
3 | 1102020000211002 |
4 | 1031133111230 |
5 | 20200012302 |
6 | 2003215432 |
7 | 334442615 |
oct | 115372554 |
9 | 42200732 |
10 | 20313452 |
11 | 10514885 |
12 | 6977578 |
13 | 4292cc3 |
14 | 29aac0c |
15 | 1bb3c02 |
hex | 135f56c |
20313452 has 6 divisors (see below), whose sum is σ = 35548548. Its totient is φ = 10156724.
The previous prime is 20313437. The next prime is 20313467. The reversal of 20313452 is 25431302.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20313437) and next prime (20313467).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539178 + ... + 2539185.
It is an arithmetic number, because the mean of its divisors is an integer number (5924758).
Almost surely, 220313452 is an apocalyptic number.
It is an amenable number.
20313452 is a deficient number, since it is larger than the sum of its proper divisors (15235096).
20313452 is a wasteful number, since it uses less digits than its factorization.
20313452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5078367 (or 5078365 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 20313452 is about 4507.0447080099. The cubic root of 20313452 is about 272.8524832875.
Adding to 20313452 its reverse (25431302), we get a palindrome (45744754).
The spelling of 20313452 in words is "twenty million, three hundred thirteen thousand, four hundred fifty-two".
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