Base | Representation |
---|---|
bin | 100111100110… |
… | …010101100000 |
3 | 201112101120011 |
4 | 213212111200 |
5 | 10124140030 |
6 | 1010254304 |
7 | 154143154 |
oct | 47462540 |
9 | 21471504 |
10 | 10380640 |
11 | 5950146 |
12 | 3587394 |
13 | 21c5bba |
14 | 1543064 |
15 | da0b2a |
hex | 9e6560 |
10380640 has 24 divisors (see below), whose sum is σ = 24524640. Its totient is φ = 4152192.
The previous prime is 10380619. The next prime is 10380641. The reversal of 10380640 is 4608301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10380641) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 32280 + ... + 32599.
It is an arithmetic number, because the mean of its divisors is an integer number (1021860).
Almost surely, 210380640 is an apocalyptic number.
10380640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10380640 is an abundant number, since it is smaller than the sum of its proper divisors (14144000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10380640 is an equidigital number, since it uses as much as digits as its factorization.
10380640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64894 (or 64886 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 10380640 is about 3221.9000605233. The cubic root of 10380640 is about 218.1430478248.
Adding to 10380640 its reverse (4608301), we get a palindrome (14988941).
The spelling of 10380640 in words is "ten million, three hundred eighty thousand, six hundred forty".
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