Base | Representation |
---|---|
bin | 1001100101110… |
… | …1000110001010 |
3 | 2210200202100200 |
4 | 2121131012022 |
5 | 40244232320 |
6 | 3554113030 |
7 | 665632332 |
oct | 231350612 |
9 | 83622320 |
10 | 40227210 |
11 | 20786331 |
12 | 1157b776 |
13 | 84460aa |
14 | 54b20c2 |
15 | 37e9290 |
hex | 265d18a |
40227210 has 24 divisors (see below), whose sum is σ = 104590980. Its totient is φ = 10727232.
The previous prime is 40227197. The next prime is 40227211. The reversal of 40227210 is 1272204.
It can be written as a sum of positive squares in 2 ways, for example, as 38975049 + 1252161 = 6243^2 + 1119^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (40227211) 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, 223395 + ... + 223574.
Almost surely, 240227210 is an apocalyptic number.
40227210 is an abundant number, since it is smaller than the sum of its proper divisors (64363770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40227210 is a wasteful number, since it uses less digits than its factorization.
40227210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446982 (or 446979 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 40227210 is about 6342.4924122935. The cubic root of 40227210 is about 342.6415065194.
Adding to 40227210 its reverse (1272204), we get a palindrome (41499414).
The spelling of 40227210 in words is "forty million, two hundred twenty-seven thousand, two hundred ten".
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