Base | Representation |
---|---|
bin | 1001101111110… |
… | …0000111100000 |
3 | 2211220211211202 |
4 | 2123330013200 |
5 | 40431103220 |
6 | 4020100332 |
7 | 1004314322 |
oct | 233740740 |
9 | 84824752 |
10 | 40878560 |
11 | 21090738 |
12 | 118346a8 |
13 | 86136c8 |
14 | 5601612 |
15 | 38c7275 |
hex | 26fc1e0 |
40878560 has 48 divisors (see below), whose sum is σ = 97070400. Its totient is φ = 16267776.
The previous prime is 40878547. The next prime is 40878571. The reversal of 40878560 is 6587804.
40878560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37706 + ... + 38774.
It is an arithmetic number, because the mean of its divisors is an integer number (2022300).
Almost surely, 240878560 is an apocalyptic number.
40878560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 40878560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48535200).
40878560 is an abundant number, since it is smaller than the sum of its proper divisors (56191840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40878560 is a wasteful number, since it uses less digits than its factorization.
40878560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1323 (or 1315 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 38.
The square root of 40878560 is about 6393.6343342421. The cubic root of 40878560 is about 344.4809389782.
The spelling of 40878560 in words is "forty million, eight hundred seventy-eight thousand, five hundred sixty".
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