Base | Representation |
---|---|
bin | 11111000101110001111011 |
3 | 120100001220000 |
4 | 133011301323 |
5 | 4041301024 |
6 | 450404043 |
7 | 126163224 |
oct | 37056173 |
9 | 16301800 |
10 | 8150139 |
11 | 4667358 |
12 | 2890623 |
13 | 18c488a |
14 | 112224b |
15 | aaecc9 |
hex | 7c5c7b |
8150139 has 20 divisors (see below), whose sum is σ = 12254880. Its totient is φ = 5397840.
The previous prime is 8150137. The next prime is 8150141. The reversal of 8150139 is 9310518.
It is an interprime number because it is at equal distance from previous prime (8150137) and next prime (8150141).
It is not a de Polignac number, because 8150139 - 21 = 8150137 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a plaindrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (8150137) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19149 + ... + 19569.
It is an arithmetic number, because the mean of its divisors is an integer number (612744).
Almost surely, 28150139 is an apocalyptic number.
8150139 is a deficient number, since it is larger than the sum of its proper divisors (4104741).
8150139 is a wasteful number, since it uses less digits than its factorization.
8150139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 672 (or 663 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 8150139 is about 2854.8448294084. The cubic root of 8150139 is about 201.2434119469.
The spelling of 8150139 in words is "eight million, one hundred fifty thousand, one hundred thirty-nine".
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