Base | Representation |
---|---|
bin | 1000000001100011… |
… | …1000001011010000 |
3 | 12120010010210122101 |
4 | 2000120320023100 |
5 | 13402411131300 |
6 | 553423450144 |
7 | 104243512354 |
oct | 20030701320 |
9 | 5503123571 |
10 | 2154005200 |
11 | a05974a96 |
12 | 501456954 |
13 | 2843492b9 |
14 | 166107464 |
15 | c9183b6a |
hex | 806382d0 |
2154005200 has 60 divisors (see below), whose sum is σ = 5400020448. Its totient is φ = 824137600.
The previous prime is 2154005197. The next prime is 2154005201. The reversal of 2154005200 is 25004512.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2154005201) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107866 + ... + 126265.
Almost surely, 22154005200 is an apocalyptic number.
2154005200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2154005200 is an abundant number, since it is smaller than the sum of its proper divisors (3246015248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2154005200 is a wasteful number, since it uses less digits than its factorization.
2154005200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234172 (or 234161 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 19.
The square root of 2154005200 is about 46411.2615644091. The cubic root of 2154005200 is about 1291.4638351413.
Adding to 2154005200 its reverse (25004512), we get a palindrome (2179009712).
The spelling of 2154005200 in words is "two billion, one hundred fifty-four million, five thousand, two hundred".
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