Base | Representation |
---|---|
bin | 11100011011110… |
… | …11011100100001 |
3 | 121121211200220210 |
4 | 32031323130201 |
5 | 442031014020 |
6 | 35400324333 |
7 | 5624330460 |
oct | 1615733441 |
9 | 547750823 |
10 | 238532385 |
11 | 112710a03 |
12 | 67a736a9 |
13 | 3a558b30 |
14 | 239729d7 |
15 | 15e1b3e0 |
hex | e37b721 |
238532385 has 32 divisors (see below), whose sum is σ = 469728000. Its totient is φ = 100654848.
The previous prime is 238532369. The next prime is 238532419. The reversal of 238532385 is 583235832.
It is not a de Polignac number, because 238532385 - 24 = 238532369 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86010 + ... + 88739.
It is an arithmetic number, because the mean of its divisors is an integer number (14679000).
Almost surely, 2238532385 is an apocalyptic number.
It is an amenable number.
238532385 is a deficient number, since it is larger than the sum of its proper divisors (231195615).
238532385 is a wasteful number, since it uses less digits than its factorization.
238532385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174777.
The product of its digits is 172800, while the sum is 39.
The square root of 238532385 is about 15444.4936789783. The cubic root of 238532385 is about 620.1771822775.
The spelling of 238532385 in words is "two hundred thirty-eight million, five hundred thirty-two thousand, three hundred eighty-five".
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