Base | Representation |
---|---|
bin | 10000000111100… |
… | …100111100001010 |
3 | 200211211211221010 |
4 | 100013210330022 |
5 | 1023211444040 |
6 | 42500024350 |
7 | 6462355443 |
oct | 2007447412 |
9 | 624754833 |
10 | 270421770 |
11 | 129711973 |
12 | 766920b6 |
13 | 44042aa8 |
14 | 27cb42ca |
15 | 18b19e80 |
hex | 101e4f0a |
270421770 has 16 divisors (see below), whose sum is σ = 649012320. Its totient is φ = 72112464.
The previous prime is 270421763. The next prime is 270421777. The reversal of 270421770 is 77124072.
It is an interprime number because it is at equal distance from previous prime (270421763) and next prime (270421777).
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 9014059 = 270421770 / (2 + 7 + 0 + 4 + 2 + 1 + 7 + 7 + 0).
It is not an unprimeable number, because it can be changed into a prime (270421777) 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, 4507000 + ... + 4507059.
It is an arithmetic number, because the mean of its divisors is an integer number (40563270).
Almost surely, 2270421770 is an apocalyptic number.
270421770 is an abundant number, since it is smaller than the sum of its proper divisors (378590550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270421770 is a wasteful number, since it uses less digits than its factorization.
270421770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9014069.
The product of its (nonzero) digits is 5488, while the sum is 30.
The square root of 270421770 is about 16444.5057694052. The cubic root of 270421770 is about 646.6667785572. Note that the first 3 decimals are identical.
The spelling of 270421770 in words is "two hundred seventy million, four hundred twenty-one thousand, seven hundred seventy".
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