Base | Representation |
---|---|
bin | 10000000111100… |
… | …100110110010001 |
3 | 200211211211102011 |
4 | 100013210312101 |
5 | 1023211441033 |
6 | 42500022521 |
7 | 6462354364 |
oct | 2007446621 |
9 | 624754364 |
10 | 270421393 |
11 | 129711660 |
12 | 76691a41 |
13 | 44042878 |
14 | 27cb40db |
15 | 18b19ccd |
hex | 101e4d91 |
270421393 has 8 divisors (see below), whose sum is σ = 295731360. Its totient is φ = 245232480.
The previous prime is 270421391. The next prime is 270421451. The reversal of 270421393 is 393124072.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 270421393 - 21 = 270421391 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (270421391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25555 + ... + 34552.
It is an arithmetic number, because the mean of its divisors is an integer number (36966420).
Almost surely, 2270421393 is an apocalyptic number.
It is an amenable number.
270421393 is a deficient number, since it is larger than the sum of its proper divisors (25309967).
270421393 is a wasteful number, since it uses less digits than its factorization.
270421393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60527.
The product of its (nonzero) digits is 9072, while the sum is 31.
The square root of 270421393 is about 16444.4943066061. The cubic root of 270421393 is about 646.6664780470. Note that the first 3 decimals are identical.
The spelling of 270421393 in words is "two hundred seventy million, four hundred twenty-one thousand, three hundred ninety-three".
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