Base | Representation |
---|---|
bin | 100110110111… |
… | …0011001101100 |
3 | 1102100011110010 |
4 | 1031232121230 |
5 | 20204001043 |
6 | 2004413220 |
7 | 335120523 |
oct | 115563154 |
9 | 42304403 |
10 | 20375148 |
11 | 10557172 |
12 | 69a7210 |
13 | 42b5101 |
14 | 29c54ba |
15 | 1bc7133 |
hex | 136e66c |
20375148 has 24 divisors (see below), whose sum is σ = 49609728. Its totient is φ = 6496336.
The previous prime is 20375101. The next prime is 20375167. The reversal of 20375148 is 84157302.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36636 + ... + 37187.
It is an arithmetic number, because the mean of its divisors is an integer number (2067072).
Almost surely, 220375148 is an apocalyptic number.
It is an amenable number.
20375148 is an abundant number, since it is smaller than the sum of its proper divisors (29234580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20375148 is a wasteful number, since it uses less digits than its factorization.
20375148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73853 (or 73851 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 20375148 is about 4513.8839152109. The cubic root of 20375148 is about 273.1284398780.
The spelling of 20375148 in words is "twenty million, three hundred seventy-five thousand, one hundred forty-eight".
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