Base | Representation |
---|---|
bin | 100110111000… |
… | …0000110010111 |
3 | 1102100111222201 |
4 | 1031300012113 |
5 | 20204211403 |
6 | 2004505331 |
7 | 335150020 |
oct | 115600627 |
9 | 42314881 |
10 | 20382103 |
11 | 10561415 |
12 | 69ab247 |
13 | 42b8321 |
14 | 29c7c47 |
15 | 1bc921d |
hex | 1370197 |
20382103 has 16 divisors (see below), whose sum is σ = 23814144. Its totient is φ = 17085600.
The previous prime is 20382101. The next prime is 20382107. The reversal of 20382103 is 30128302.
It is a happy number.
It is not a de Polignac number, because 20382103 - 21 = 20382101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20382101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89676 + ... + 89902.
It is an arithmetic number, because the mean of its divisors is an integer number (1488384).
Almost surely, 220382103 is an apocalyptic number.
20382103 is a deficient number, since it is larger than the sum of its proper divisors (3432041).
20382103 is a wasteful number, since it uses less digits than its factorization.
20382103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 462.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 20382103 is about 4514.6542503275. The cubic root of 20382103 is about 273.1595135533.
The spelling of 20382103 in words is "twenty million, three hundred eighty-two thousand, one hundred three".
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