Base | Representation |
---|---|
bin | 1001100110001… |
… | …0001101110100 |
3 | 2210201211010100 |
4 | 2121202031310 |
5 | 40300420210 |
6 | 3554354100 |
7 | 666050430 |
oct | 231421564 |
9 | 83654110 |
10 | 40248180 |
11 | 207a0065 |
12 | 1158b930 |
13 | 84527bb |
14 | 54b99c0 |
15 | 38005c0 |
hex | 2662374 |
40248180 has 144 divisors (see below), whose sum is σ = 147813120. Its totient is φ = 8653824.
The previous prime is 40248167. The next prime is 40248181. The reversal of 40248180 is 8184204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40248181) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20481 + ... + 22359.
It is an arithmetic number, because the mean of its divisors is an integer number (1026480).
Almost surely, 240248180 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 40248180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73906560).
40248180 is an abundant number, since it is smaller than the sum of its proper divisors (107564940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40248180 is a wasteful number, since it uses less digits than its factorization.
40248180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1918 (or 1913 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 27.
The square root of 40248180 is about 6344.1453325093. The cubic root of 40248180 is about 342.7010345870.
The spelling of 40248180 in words is "forty million, two hundred forty-eight thousand, one hundred eighty".
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