Base | Representation |
---|---|
bin | 1001101110100… |
… | …0111101010000 |
3 | 2211202212012002 |
4 | 2123220331100 |
5 | 40421100310 |
6 | 4014253132 |
7 | 1003536446 |
oct | 233507520 |
9 | 84685162 |
10 | 40800080 |
11 | 21037782 |
12 | 117b71a8 |
13 | 85b6a79 |
14 | 55c0b96 |
15 | 38adda5 |
hex | 26e8f50 |
40800080 has 40 divisors (see below), whose sum is σ = 95327232. Its totient is φ = 16239744.
The previous prime is 40800073. The next prime is 40800101. The reversal of 40800080 is 8000804.
40800080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (20).
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, 16697 + ... + 18983.
Almost surely, 240800080 is an apocalyptic number.
40800080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40800080 is an abundant number, since it is smaller than the sum of its proper divisors (54527152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40800080 is a wasteful number, since it uses less digits than its factorization.
40800080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2523 (or 2517 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 40800080 is about 6387.4940313084. The cubic root of 40800080 is about 344.2603491517.
Adding to 40800080 its reverse (8000804), we get a palindrome (48800884).
The spelling of 40800080 in words is "forty million, eight hundred thousand, eighty".
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