Base | Representation |
---|---|
bin | 100110010110… |
… | …0001000010110 |
3 | 1101211101002120 |
4 | 1030230020112 |
5 | 20121304302 |
6 | 1554520410 |
7 | 332610243 |
oct | 114541026 |
9 | 41741076 |
10 | 20103702 |
11 | 10391233 |
12 | 6896106 |
13 | 421b6a8 |
14 | 29545ca |
15 | 1b719bc |
hex | 132c216 |
20103702 has 16 divisors (see below), whose sum is σ = 41955840. Its totient is φ = 6409832.
The previous prime is 20103701. The next prime is 20103737. The reversal of 20103702 is 20730102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20103701) 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, 72702 + ... + 72977.
It is an arithmetic number, because the mean of its divisors is an integer number (2622240).
Almost surely, 220103702 is an apocalyptic number.
20103702 is an abundant number, since it is smaller than the sum of its proper divisors (21852138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20103702 is a wasteful number, since it uses less digits than its factorization.
20103702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145707.
The product of its (nonzero) digits is 84, while the sum is 15.
The square root of 20103702 is about 4483.7152005898. The cubic root of 20103702 is about 271.9101040153.
Adding to 20103702 its reverse (20730102), we get a palindrome (40833804).
The spelling of 20103702 in words is "twenty million, one hundred three thousand, seven hundred two".
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