Base | Representation |
---|---|
bin | 11100001010011… |
… | …101101101111011 |
3 | 1012221002202022000 |
4 | 130022131231323 |
5 | 1431430131321 |
6 | 114515232043 |
7 | 14465141133 |
oct | 3412355573 |
9 | 1187082260 |
10 | 472505211 |
11 | 222798182 |
12 | 1122a8623 |
13 | 76b794a9 |
14 | 46a79ac3 |
15 | 2b736826 |
hex | 1c29db7b |
472505211 has 8 divisors (see below), whose sum is σ = 700007760. Its totient is φ = 315003456.
The previous prime is 472505179. The next prime is 472505221. The reversal of 472505211 is 112505274.
It is not a de Polignac number, because 472505211 - 25 = 472505179 is a prime.
It is a super-2 number, since 2×4725052112 = 446522348844309042, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 17500193 = 472505211 / (4 + 7 + 2 + 5 + 0 + 5 + 2 + 1 + 1).
It is not an unprimeable number, because it can be changed into a prime (472505221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8750070 + ... + 8750123.
It is an arithmetic number, because the mean of its divisors is an integer number (87500970).
Almost surely, 2472505211 is an apocalyptic number.
472505211 is a deficient number, since it is larger than the sum of its proper divisors (227502549).
472505211 is a wasteful number, since it uses less digits than its factorization.
472505211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17500202 (or 17500196 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 472505211 is about 21737.1849833413. The cubic root of 472505211 is about 778.8769785567.
The spelling of 472505211 in words is "four hundred seventy-two million, five hundred five thousand, two hundred eleven".
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