Base | Representation |
---|---|
bin | 1001100101110… |
… | …1001011110010 |
3 | 2210200202212000 |
4 | 2121131023302 |
5 | 40244240240 |
6 | 3554114430 |
7 | 665633355 |
oct | 231351362 |
9 | 83622760 |
10 | 40227570 |
11 | 20786629 |
12 | 1157ba16 |
13 | 84462c6 |
14 | 54b229c |
15 | 37e9430 |
hex | 265d2f2 |
40227570 has 32 divisors (see below), whose sum is σ = 107274240. Its totient is φ = 10727280.
The previous prime is 40227563. The next prime is 40227571. The reversal of 40227570 is 7572204.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (40227571) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74226 + ... + 74765.
It is an arithmetic number, because the mean of its divisors is an integer number (3352320).
Almost surely, 240227570 is an apocalyptic number.
40227570 is an abundant number, since it is smaller than the sum of its proper divisors (67046670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40227570 is a wasteful number, since it uses less digits than its factorization.
40227570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149007 (or 149001 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 27.
The square root of 40227570 is about 6342.5207922403. The cubic root of 40227570 is about 342.6425286349.
Adding to 40227570 its reverse (7572204), we get a palindrome (47799774).
It can be divided in two parts, 402 and 27570, that added together give a palindrome (27972).
The spelling of 40227570 in words is "forty million, two hundred twenty-seven thousand, five hundred seventy".
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