Base | Representation |
---|---|
bin | 111011000100… |
… | …010001010110 |
3 | 1002010200001010 |
4 | 323010101112 |
5 | 12430441430 |
6 | 1311513050 |
7 | 245416554 |
oct | 73042126 |
9 | 32120033 |
10 | 15483990 |
11 | 8816395 |
12 | 5228786 |
13 | 3291a32 |
14 | 20b0bd4 |
15 | 155ccb0 |
hex | ec4456 |
15483990 has 32 divisors (see below), whose sum is σ = 37529856. Its totient is φ = 4088160.
The previous prime is 15483989. The next prime is 15483997. The reversal of 15483990 is 9938451.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15483997) 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 15 ways as a sum of consecutive naturals, for example, 585 + ... + 5595.
It is an arithmetic number, because the mean of its divisors is an integer number (1172808).
Almost surely, 215483990 is an apocalyptic number.
15483990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15483990 is an abundant number, since it is smaller than the sum of its proper divisors (22045866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15483990 is a wasteful number, since it uses less digits than its factorization.
15483990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5124.
The product of its (nonzero) digits is 38880, while the sum is 39.
The square root of 15483990 is about 3934.9701396580. The cubic root of 15483990 is about 249.2456729185.
The spelling of 15483990 in words is "fifteen million, four hundred eighty-three thousand, nine hundred ninety".
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