Base | Representation |
---|---|
bin | 100111011111… |
… | …0101101001010 |
3 | 1102221212122120 |
4 | 1032332231022 |
5 | 20300012244 |
6 | 2015432110 |
7 | 340660506 |
oct | 116765512 |
9 | 42855576 |
10 | 20704074 |
11 | 10761306 |
12 | 6b25636 |
13 | 439ba41 |
14 | 2a6d306 |
15 | 1c3e819 |
hex | 13beb4a |
20704074 has 8 divisors (see below), whose sum is σ = 41408160. Its totient is φ = 6901356.
The previous prime is 20704043. The next prime is 20704081. The reversal of 20704074 is 47040702.
It is a sphenic number, since it is the product of 3 distinct primes.
20704074 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725334 + ... + 1725345.
It is an arithmetic number, because the mean of its divisors is an integer number (5176020).
Almost surely, 220704074 is an apocalyptic number.
20704074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20704074 is a wasteful number, since it uses less digits than its factorization.
20704074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3450684.
The product of its (nonzero) digits is 1568, while the sum is 24.
The square root of 20704074 is about 4550.1729637454. The cubic root of 20704074 is about 274.5903498526.
Adding to 20704074 its reverse (47040702), we get a palindrome (67744776).
The spelling of 20704074 in words is "twenty million, seven hundred four thousand, seventy-four".
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