Base | Representation |
---|---|
bin | 1001100011011… |
… | …0110110100000 |
3 | 2210101210110211 |
4 | 2120312312200 |
5 | 40224224220 |
6 | 3550503504 |
7 | 664410535 |
oct | 230666640 |
9 | 83353424 |
10 | 40070560 |
11 | 20689672 |
12 | 11504b94 |
13 | 83bc9ba |
14 | 5470d8c |
15 | 37b7b5a |
hex | 2636da0 |
40070560 has 24 divisors (see below), whose sum is σ = 94667076. Its totient is φ = 16028160.
The previous prime is 40070549. The next prime is 40070567. The reversal of 40070560 is 6507004.
It can be written as a sum of positive squares in 2 ways, for example, as 37015056 + 3055504 = 6084^2 + 1748^2 .
It is not an unprimeable number, because it can be changed into a prime (40070567) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125061 + ... + 125380.
Almost surely, 240070560 is an apocalyptic number.
40070560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40070560 is an abundant number, since it is smaller than the sum of its proper divisors (54596516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40070560 is a wasteful number, since it uses less digits than its factorization.
40070560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250456 (or 250448 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 40070560 is about 6330.1311202850. The cubic root of 40070560 is about 342.1961643796.
Adding to 40070560 its reverse (6507004), we get a palindrome (46577564).
The spelling of 40070560 in words is "forty million, seventy thousand, five hundred sixty".
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