Base | Representation |
---|---|
bin | 10000000111011… |
… | …011001100000111 |
3 | 200211202211010220 |
4 | 100013123030013 |
5 | 1023204204311 |
6 | 42455115423 |
7 | 6462131136 |
oct | 2007331407 |
9 | 624684126 |
10 | 270381831 |
11 | 129694965 |
12 | 76672b73 |
13 | 4402a865 |
14 | 27ca391d |
15 | 18b0d206 |
hex | 101db307 |
270381831 has 8 divisors (see below), whose sum is σ = 363878784. Its totient is φ = 178569720.
The previous prime is 270381823. The next prime is 270381887. The reversal of 270381831 is 138183072.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 270381831 - 23 = 270381823 is a prime.
It is a super-2 number, since 2×2703818312 = 146212669069825122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 270381792 and 270381801.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (270381931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420835 + ... + 421476.
It is an arithmetic number, because the mean of its divisors is an integer number (45484848).
Almost surely, 2270381831 is an apocalyptic number.
270381831 is a deficient number, since it is larger than the sum of its proper divisors (93496953).
270381831 is a wasteful number, since it uses less digits than its factorization.
270381831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 842421.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 270381831 is about 16443.2913676064. The cubic root of 270381831 is about 646.6349412584.
The spelling of 270381831 in words is "two hundred seventy million, three hundred eighty-one thousand, eight hundred thirty-one".
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