Base | Representation |
---|---|
bin | 11100001001011… |
… | …010000001001000 |
3 | 1012220120122220200 |
4 | 130021122001020 |
5 | 1431342243122 |
6 | 114505252200 |
7 | 14462604522 |
oct | 3411320110 |
9 | 1186518820 |
10 | 472227912 |
11 | 222618902 |
12 | 112194060 |
13 | 76ab0200 |
14 | 46a06a12 |
15 | 2b6ce5ac |
hex | 1c25a048 |
472227912 has 108 divisors (see below), whose sum is σ = 1391964795. Its totient is φ = 144563328.
The previous prime is 472227871. The next prime is 472227947. The reversal of 472227912 is 219722274.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 350213796 + 122014116 = 18714^2 + 11046^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=15366.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2396998 + ... + 2397194.
Almost surely, 2472227912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 472227912
472227912 is an abundant number, since it is smaller than the sum of its proper divisors (919736883).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
472227912 is a wasteful number, since it uses less digits than its factorization.
472227912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432 (or 215 counting only the distinct ones).
The product of its digits is 28224, while the sum is 36.
The square root of 472227912 is about 21730.8055994250. The cubic root of 472227912 is about 778.7245823030.
The spelling of 472227912 in words is "four hundred seventy-two million, two hundred twenty-seven thousand, nine hundred twelve".
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