Base | Representation |
---|---|
bin | 100110111110… |
… | …1100001101101 |
3 | 1102110022102200 |
4 | 1031331201231 |
5 | 20212441401 |
6 | 2010012113 |
7 | 335466246 |
oct | 115754155 |
9 | 42408380 |
10 | 20437101 |
11 | 10599773 |
12 | 6a17039 |
13 | 4307379 |
14 | 29ddccd |
15 | 1bda686 |
hex | 137d86d |
20437101 has 12 divisors (see below), whose sum is σ = 29671200. Its totient is φ = 13555080.
The previous prime is 20437099. The next prime is 20437117. The reversal of 20437101 is 10173402.
It is not a de Polignac number, because 20437101 - 21 = 20437099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20437121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3915 + ... + 7496.
It is an arithmetic number, because the mean of its divisors is an integer number (2472600).
Almost surely, 220437101 is an apocalyptic number.
It is an amenable number.
20437101 is a deficient number, since it is larger than the sum of its proper divisors (9234099).
20437101 is a wasteful number, since it uses less digits than its factorization.
20437101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11616 (or 11613 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 20437101 is about 4520.7412002901. The cubic root of 20437101 is about 273.4049860072.
The spelling of 20437101 in words is "twenty million, four hundred thirty-seven thousand, one hundred one".
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