Base | Representation |
---|---|
bin | 11000010101011… |
… | …10111110111000 |
3 | 112020010102002020 |
4 | 30022232332320 |
5 | 404224443342 |
6 | 32131234440 |
7 | 5026110504 |
oct | 1412567670 |
9 | 466112066 |
10 | 204140472 |
11 | a5260838 |
12 | 58448a20 |
13 | 333a6aa3 |
14 | 1d17d304 |
15 | 12dc60ec |
hex | c2aefb8 |
204140472 has 32 divisors (see below), whose sum is σ = 519004800. Its totient is φ = 66893024.
The previous prime is 204140467. The next prime is 204140509. The reversal of 204140472 is 274041402.
It is a super-3 number, since 3×2041404723 (a number of 26 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
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, 70668 + ... + 73499.
It is an arithmetic number, because the mean of its divisors is an integer number (16218900).
Almost surely, 2204140472 is an apocalyptic number.
It is an amenable number.
204140472 is an abundant number, since it is smaller than the sum of its proper divisors (314864328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
204140472 is a wasteful number, since it uses less digits than its factorization.
204140472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144235 (or 144231 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 24.
The square root of 204140472 is about 14287.7735144423. The cubic root of 204140472 is about 588.8116192645.
Adding to 204140472 its reverse (274041402), we get a palindrome (478181874).
The spelling of 204140472 in words is "two hundred four million, one hundred forty thousand, four hundred seventy-two".
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