Base | Representation |
---|---|
bin | 1001100101100… |
… | …0111010100000 |
3 | 2210122212212020 |
4 | 2121120322200 |
5 | 40243210310 |
6 | 3553501440 |
7 | 665531361 |
oct | 231307240 |
9 | 83585766 |
10 | 40210080 |
11 | 20774479 |
12 | 11571880 |
13 | 843b361 |
14 | 54a9b68 |
15 | 37e4170 |
hex | 2658ea0 |
40210080 has 96 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 10156032.
The previous prime is 40210063. The next prime is 40210091. The reversal of 40210080 is 8001204.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6916 + ... + 11324.
It is an arithmetic number, because the mean of its divisors is an integer number (1389150).
Almost surely, 240210080 is an apocalyptic number.
40210080 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 40210080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66679200).
40210080 is an abundant number, since it is smaller than the sum of its proper divisors (93148320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40210080 is a wasteful number, since it uses less digits than its factorization.
40210080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4446 (or 4438 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 40210080 is about 6341.1418530104. The cubic root of 40210080 is about 342.5928638027.
Adding to 40210080 its reverse (8001204), we get a palindrome (48211284).
The spelling of 40210080 in words is "forty million, two hundred ten thousand, eighty".
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