Base | Representation |
---|---|
bin | 100111010110… |
… | …1001000000110 |
3 | 1102211012212202 |
4 | 1032231020012 |
5 | 20240211240 |
6 | 2014114502 |
7 | 340240544 |
oct | 116551006 |
9 | 42735782 |
10 | 20632070 |
11 | 107121a8 |
12 | 6aaba32 |
13 | 4375034 |
14 | 2a50d94 |
15 | 1c28315 |
hex | 13ad206 |
20632070 has 16 divisors (see below), whose sum is σ = 37190448. Its totient is φ = 8241120.
The previous prime is 20632037. The next prime is 20632093. The reversal of 20632070 is 7023602.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10937 + ... + 12683.
It is an arithmetic number, because the mean of its divisors is an integer number (2324403).
Almost surely, 220632070 is an apocalyptic number.
20632070 is a deficient number, since it is larger than the sum of its proper divisors (16558378).
20632070 is a wasteful number, since it uses less digits than its factorization.
20632070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2935.
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 20632070 is about 4542.2538458347. The cubic root of 20632070 is about 274.2716594619.
Adding to 20632070 its reverse (7023602), we get a palindrome (27655672).
The spelling of 20632070 in words is "twenty million, six hundred thirty-two thousand, seventy".
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