Base | Representation |
---|---|
bin | 11100011011000… |
… | …10100110001101 |
3 | 121121122112022011 |
4 | 32031202212031 |
5 | 442014234410 |
6 | 35354221221 |
7 | 5623424650 |
oct | 1615424615 |
9 | 547575264 |
10 | 238430605 |
11 | 112651496 |
12 | 67a24811 |
13 | 3a5216ca |
14 | 23947897 |
15 | 15deb18a |
hex | e36298d |
238430605 has 16 divisors (see below), whose sum is σ = 338267520. Its totient is φ = 157856832.
The previous prime is 238430603. The next prime is 238430609. The reversal of 238430605 is 506034832.
238430605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 238430605 - 21 = 238430603 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238430603) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116439 + ... + 118468.
It is an arithmetic number, because the mean of its divisors is an integer number (21141720).
Almost surely, 2238430605 is an apocalyptic number.
It is an amenable number.
238430605 is a deficient number, since it is larger than the sum of its proper divisors (99836915).
238430605 is a wasteful number, since it uses less digits than its factorization.
238430605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234948.
The product of its (nonzero) digits is 17280, while the sum is 31.
The square root of 238430605 is about 15441.1983019454. The cubic root of 238430605 is about 620.0889613935.
The spelling of 238430605 in words is "two hundred thirty-eight million, four hundred thirty thousand, six hundred five".
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