Base | Representation |
---|---|
bin | 100110010001… |
… | …0001101011110 |
3 | 1101202022100200 |
4 | 1030202031132 |
5 | 20114004240 |
6 | 1554004330 |
7 | 332350626 |
oct | 114421536 |
9 | 41668320 |
10 | 20063070 |
11 | 10363755 |
12 | 68766a6 |
13 | 4206051 |
14 | 2943886 |
15 | 1b64930 |
hex | 132235e |
20063070 has 48 divisors (see below), whose sum is σ = 53969760. Its totient is φ = 5164992.
The previous prime is 20063047. The next prime is 20063089. The reversal of 20063070 is 7036002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1234 + ... + 6453.
It is an arithmetic number, because the mean of its divisors is an integer number (1124370).
Almost surely, 220063070 is an apocalyptic number.
20063070 is an abundant number, since it is smaller than the sum of its proper divisors (33906690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20063070 is a wasteful number, since it uses less digits than its factorization.
20063070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7729 (or 7726 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 20063070 is about 4479.1818449355. The cubic root of 20063070 is about 271.7267927857.
Adding to 20063070 its reverse (7036002), we get a palindrome (27099072).
The spelling of 20063070 in words is "twenty million, sixty-three thousand, seventy".
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