Base | Representation |
---|---|
bin | 111011110100… |
… | …001000110010 |
3 | 1002111121222121 |
4 | 323310020302 |
5 | 13003230200 |
6 | 1320024454 |
7 | 250164301 |
oct | 73641062 |
9 | 32447877 |
10 | 15680050 |
11 | 893a721 |
12 | 530212a |
13 | 3330049 |
14 | 2122438 |
15 | 159ae1a |
hex | ef4232 |
15680050 has 48 divisors (see below), whose sum is σ = 30513672. Its totient is φ = 5990400.
The previous prime is 15680047. The next prime is 15680051. The reversal of 15680050 is 5008651.
15680050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 12 ways, for example, as 22201 + 15657849 = 149^2 + 3957^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a junction number, because it is equal to n+sod(n) for n = 15679997 and 15680024.
It is not an unprimeable number, because it can be changed into a prime (15680051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161602 + ... + 161698.
Almost surely, 215680050 is an apocalyptic number.
15680050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15680050 is a deficient number, since it is larger than the sum of its proper divisors (14833622).
15680050 is a wasteful number, since it uses less digits than its factorization.
15680050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223 (or 218 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 15680050 is about 3959.8042880930. The cubic root of 15680050 is about 250.2932558695.
It can be divided in two parts, 156800 and 50, that multiplied together give a square (7840000 = 28002).
The spelling of 15680050 in words is "fifteen million, six hundred eighty thousand, fifty".
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