Base | Representation |
---|---|
bin | 10000010111101… |
… | …001110101100011 |
3 | 201010202221221120 |
4 | 100113221311203 |
5 | 1030301324011 |
6 | 43130223323 |
7 | 6543240300 |
oct | 2027516543 |
9 | 633687846 |
10 | 274636131 |
11 | 131030210 |
12 | 77b84b43 |
13 | 44b8a0b3 |
14 | 286900a7 |
15 | 1919da06 |
hex | 105e9d63 |
274636131 has 24 divisors (see below), whose sum is σ = 464693184. Its totient is φ = 142667280.
The previous prime is 274636121. The next prime is 274636133. The reversal of 274636131 is 131636472.
It is not a de Polignac number, because 274636131 - 26 = 274636067 is a prime.
It is a super-2 number, since 2×2746361312 = 150850008901298322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 274636092 and 274636101.
It is not an unprimeable number, because it can be changed into a prime (274636133) 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, 83305 + ... + 86538.
It is an arithmetic number, because the mean of its divisors is an integer number (19362216).
Almost surely, 2274636131 is an apocalyptic number.
274636131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
274636131 is a deficient number, since it is larger than the sum of its proper divisors (190057053).
274636131 is a wasteful number, since it uses less digits than its factorization.
274636131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169871 (or 169864 counting only the distinct ones).
The product of its digits is 18144, while the sum is 33.
The square root of 274636131 is about 16572.1492571121. The cubic root of 274636131 is about 650.0087817354.
The spelling of 274636131 in words is "two hundred seventy-four million, six hundred thirty-six thousand, one hundred thirty-one".
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