Base | Representation |
---|---|
bin | 110010111010001… |
… | …010011101110100 |
3 | 2012112011011221101 |
4 | 302322022131310 |
5 | 3222122424040 |
6 | 220430255444 |
7 | 30110540563 |
oct | 6272123564 |
9 | 2175134841 |
10 | 854108020 |
11 | 3a9137aa7 |
12 | 1ba057584 |
13 | 107c4907c |
14 | 81611bda |
15 | 4eeb409a |
hex | 32e8a774 |
854108020 has 24 divisors (see below), whose sum is σ = 1807755264. Its totient is φ = 338952096.
The previous prime is 854107997. The next prime is 854108051. The reversal of 854108020 is 20801458.
It is a self number, because there is not a number n which added to its sum of digits gives 854108020.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165592 + ... + 170671.
It is an arithmetic number, because the mean of its divisors is an integer number (75323136).
Almost surely, 2854108020 is an apocalyptic number.
It is an amenable number.
854108020 is an abundant number, since it is smaller than the sum of its proper divisors (953647244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
854108020 is a wasteful number, since it uses less digits than its factorization.
854108020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 336399 (or 336397 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 854108020 is about 29225.1265181179. The cubic root of 854108020 is about 948.7918233221.
Adding to 854108020 its reverse (20801458), we get a palindrome (874909478).
The spelling of 854108020 in words is "eight hundred fifty-four million, one hundred eight thousand, twenty".
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