Base | Representation |
---|---|
bin | 100111101111… |
… | …0101101001110 |
3 | 1110012112110020 |
4 | 1033132231032 |
5 | 20313211100 |
6 | 2022323010 |
7 | 342044610 |
oct | 117365516 |
9 | 43175406 |
10 | 20835150 |
11 | 10840836 |
12 | 6b89466 |
13 | 44165bb |
14 | 2aa4db0 |
15 | 1c685a0 |
hex | 13deb4e |
20835150 has 48 divisors (see below), whose sum is σ = 59055744. Its totient is φ = 4762080.
The previous prime is 20835103. The next prime is 20835151. The reversal of 20835150 is 5153802.
It is a self number, because there is not a number n which added to its sum of digits gives 20835150.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20835151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8872 + ... + 10971.
It is an arithmetic number, because the mean of its divisors is an integer number (1230328).
Almost surely, 220835150 is an apocalyptic number.
20835150 is an abundant number, since it is smaller than the sum of its proper divisors (38220594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20835150 is a wasteful number, since it uses less digits than its factorization.
20835150 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19865 (or 19860 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 20835150 is about 4564.5536474008. The cubic root of 20835150 is about 275.1686018436.
Adding to 20835150 its reverse (5153802), we get a palindrome (25988952).
The spelling of 20835150 in words is "twenty million, eight hundred thirty-five thousand, one hundred fifty".
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