Base | Representation |
---|---|
bin | 11100001000101… |
… | …101111001110100 |
3 | 1012220020111001101 |
4 | 130020231321310 |
5 | 1431321002340 |
6 | 114501335444 |
7 | 14461222651 |
oct | 3410557164 |
9 | 1186214041 |
10 | 472047220 |
11 | 222505077 |
12 | 112107584 |
13 | 76a48ba8 |
14 | 4699ac28 |
15 | 2b695c9a |
hex | 1c22de74 |
472047220 has 12 divisors (see below), whose sum is σ = 991299204. Its totient is φ = 188818880.
The previous prime is 472047187. The next prime is 472047241. The reversal of 472047220 is 22740274.
It can be written as a sum of positive squares in 2 ways, for example, as 210772324 + 261274896 = 14518^2 + 16164^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11801161 + ... + 11801200.
It is an arithmetic number, because the mean of its divisors is an integer number (82608267).
Almost surely, 2472047220 is an apocalyptic number.
It is an amenable number.
472047220 is an abundant number, since it is smaller than the sum of its proper divisors (519251984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472047220 is a wasteful number, since it uses less digits than its factorization.
472047220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23602370 (or 23602368 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 28.
The square root of 472047220 is about 21726.6476935582. The cubic root of 472047220 is about 778.6252466155.
Adding to 472047220 its reverse (22740274), we get a palindrome (494787494).
The spelling of 472047220 in words is "four hundred seventy-two million, forty-seven thousand, two hundred twenty".
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