Base | Representation |
---|---|
bin | 100111010011… |
… | …1000010011010 |
3 | 1102202221200001 |
4 | 1032213002122 |
5 | 20233412010 |
6 | 2013403214 |
7 | 340105045 |
oct | 116470232 |
9 | 42687601 |
10 | 20607130 |
11 | 106a5495 |
12 | 6a9950a |
13 | 436688b |
14 | 2a45c5c |
15 | 1c20c3a |
hex | 13a709a |
20607130 has 16 divisors (see below), whose sum is σ = 37441440. Its totient is φ = 8165392.
The previous prime is 20607127. The next prime is 20607137. The reversal of 20607130 is 3170602.
It is a junction number, because it is equal to n+sod(n) for n = 20607098 and 20607107.
It is not an unprimeable number, because it can be changed into a prime (20607137) 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, 8560 + ... + 10699.
It is an arithmetic number, because the mean of its divisors is an integer number (2340090).
Almost surely, 220607130 is an apocalyptic number.
20607130 is a deficient number, since it is larger than the sum of its proper divisors (16834310).
20607130 is a wasteful number, since it uses less digits than its factorization.
20607130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19373.
The product of its (nonzero) digits is 252, while the sum is 19.
The square root of 20607130 is about 4539.5076825577. The cubic root of 20607130 is about 274.1611019135.
Adding to 20607130 its reverse (3170602), we get a palindrome (23777732).
The spelling of 20607130 in words is "twenty million, six hundred seven thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.123 sec. • engine limits •