Base | Representation |
---|---|
bin | 100110010110… |
… | …0111110100110 |
3 | 1101211112212011 |
4 | 1030230332212 |
5 | 20121412144 |
6 | 1554544434 |
7 | 332623333 |
oct | 114547646 |
9 | 41745764 |
10 | 20107174 |
11 | 103938aa |
12 | 689811a |
13 | 4220149 |
14 | 295598a |
15 | 1b72a34 |
hex | 132cfa6 |
20107174 has 4 divisors (see below), whose sum is σ = 30160764. Its totient is φ = 10053586.
The previous prime is 20107163. The next prime is 20107177. The reversal of 20107174 is 47170102.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20107177) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5026792 + ... + 5026795.
It is an arithmetic number, because the mean of its divisors is an integer number (7540191).
Almost surely, 220107174 is an apocalyptic number.
20107174 is a deficient number, since it is larger than the sum of its proper divisors (10053590).
20107174 is a wasteful number, since it uses less digits than its factorization.
20107174 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10053589.
The product of its (nonzero) digits is 392, while the sum is 22.
The square root of 20107174 is about 4484.1023627924. The cubic root of 20107174 is about 271.9257564813.
Adding to 20107174 its reverse (47170102), we get a palindrome (67277276).
The spelling of 20107174 in words is "twenty million, one hundred seven thousand, one hundred seventy-four".
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