Base | Representation |
---|---|
bin | 1001101011101… |
… | …0101110000000 |
3 | 2211102020101120 |
4 | 2122322232000 |
5 | 40344020223 |
6 | 4010232240 |
7 | 1002120336 |
oct | 232725600 |
9 | 84366346 |
10 | 40610688 |
11 | 20a18458 |
12 | 11725680 |
13 | 854b7c1 |
14 | 5571b56 |
15 | 3872be3 |
hex | 26bab80 |
40610688 has 64 divisors (see below), whose sum is σ = 114235920. Its totient is φ = 12738560.
The previous prime is 40610681. The next prime is 40610707. The reversal of 40610688 is 88601604.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40610681) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3418 + ... + 9638.
Almost surely, 240610688 is an apocalyptic number.
40610688 is a gapful number since it is divisible by the number (48) 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 40610688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57117960).
40610688 is an abundant number, since it is smaller than the sum of its proper divisors (73625232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40610688 is a wasteful number, since it uses less digits than its factorization.
40610688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6255 (or 6243 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 33.
The square root of 40610688 is about 6372.6515674404. The cubic root of 40610688 is about 343.7268428257.
The spelling of 40610688 in words is "forty million, six hundred ten thousand, six hundred eighty-eight".
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