Base | Representation |
---|---|
bin | 100110110111… |
… | …0000001101100 |
3 | 1102100002100020 |
4 | 1031232001230 |
5 | 20203423422 |
6 | 2004402140 |
7 | 335113200 |
oct | 115560154 |
9 | 42302306 |
10 | 20373612 |
11 | 10555aa6 |
12 | 69a6350 |
13 | 42b44bc |
14 | 29c4b00 |
15 | 1bc695c |
hex | 136e06c |
20373612 has 36 divisors (see below), whose sum is σ = 55301400. Its totient is φ = 5820864.
The previous prime is 20373611. The next prime is 20373623. The reversal of 20373612 is 21637302.
It is a super-4 number, since 4×203736124 (a number of 30 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (20373611) 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, 16737 + ... + 17912.
It is an arithmetic number, because the mean of its divisors is an integer number (1536150).
Almost surely, 220373612 is an apocalyptic number.
It is an amenable number.
20373612 is an abundant number, since it is smaller than the sum of its proper divisors (34927788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20373612 is a wasteful number, since it uses less digits than its factorization.
20373612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34670 (or 34661 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 20373612 is about 4513.7137702783. The cubic root of 20373612 is about 273.1215763560.
The spelling of 20373612 in words is "twenty million, three hundred seventy-three thousand, six hundred twelve".
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