Base | Representation |
---|---|
bin | 100111100111… |
… | …111010111010 |
3 | 201112201110112 |
4 | 213213322322 |
5 | 10124342010 |
6 | 1010344322 |
7 | 154201115 |
oct | 47477272 |
9 | 21481415 |
10 | 10387130 |
11 | 5955006 |
12 | 358b0a2 |
13 | 21c8b40 |
14 | 154557c |
15 | da2a05 |
hex | 9e7eba |
10387130 has 16 divisors (see below), whose sum is σ = 20135304. Its totient is φ = 3835200.
The previous prime is 10387109. The next prime is 10387147. The reversal of 10387130 is 3178301.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5621641 + 4765489 = 2371^2 + 2183^2 .
It is a junction number, because it is equal to n+sod(n) for n = 10387096 and 10387105.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39821 + ... + 40080.
Almost surely, 210387130 is an apocalyptic number.
10387130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10387130 is a deficient number, since it is larger than the sum of its proper divisors (9748174).
10387130 is a wasteful number, since it uses less digits than its factorization.
10387130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79921.
The product of its (nonzero) digits is 504, while the sum is 23.
The square root of 10387130 is about 3222.9070728149. The cubic root of 10387130 is about 218.1884995323.
The spelling of 10387130 in words is "ten million, three hundred eighty-seven thousand, one hundred thirty".
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