Base | Representation |
---|---|
bin | 100110101110… |
… | …0100111111100 |
3 | 1102012110120020 |
4 | 1031130213330 |
5 | 20144133312 |
6 | 2003052140 |
7 | 334365321 |
oct | 115344774 |
9 | 42173506 |
10 | 20302332 |
11 | 10507496 |
12 | 6971050 |
13 | 428ac1b |
14 | 29a6b48 |
15 | 1bb078c |
hex | 135c9fc |
20302332 has 12 divisors (see below), whose sum is σ = 47372136. Its totient is φ = 6767440.
The previous prime is 20302327. The next prime is 20302361. The reversal of 20302332 is 23320302.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845919 + ... + 845942.
It is an arithmetic number, because the mean of its divisors is an integer number (3947678).
Almost surely, 220302332 is an apocalyptic number.
It is an amenable number.
20302332 is an abundant number, since it is smaller than the sum of its proper divisors (27069804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302332 is a wasteful number, since it uses less digits than its factorization.
20302332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1691868 (or 1691866 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 15.
The square root of 20302332 is about 4505.8109148077. The cubic root of 20302332 is about 272.8026858523.
Adding to 20302332 its reverse (23320302), we get a palindrome (43622634).
The spelling of 20302332 in words is "twenty million, three hundred two thousand, three hundred thirty-two".
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