Base | Representation |
---|---|
bin | 100110101110… |
… | …0010101001100 |
3 | 1102012101220210 |
4 | 1031130111030 |
5 | 20144114012 |
6 | 2003042420 |
7 | 334361655 |
oct | 115342514 |
9 | 42171823 |
10 | 20301132 |
11 | 105065a5 |
12 | 6970410 |
13 | 428a507 |
14 | 29a652c |
15 | 1bb023c |
hex | 135c54c |
20301132 has 24 divisors (see below), whose sum is σ = 47502000. Its totient is φ = 6748096.
The previous prime is 20301121. The next prime is 20301137. The reversal of 20301132 is 23110302.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (20301137) 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, 2494 + ... + 6842.
It is an arithmetic number, because the mean of its divisors is an integer number (1979250).
Almost surely, 220301132 is an apocalyptic number.
It is an amenable number.
20301132 is an abundant number, since it is smaller than the sum of its proper divisors (27200868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20301132 is a wasteful number, since it uses less digits than its factorization.
20301132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4745 (or 4743 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 20301132 is about 4505.6777514598. The cubic root of 20301132 is about 272.7973109415.
Adding to 20301132 its reverse (23110302), we get a palindrome (43411434).
The spelling of 20301132 in words is "twenty million, three hundred one thousand, one hundred thirty-two".
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