Base | Representation |
---|---|
bin | 11100011010101… |
… | …11100000110111 |
3 | 121121120020000202 |
4 | 32031113200313 |
5 | 442011311312 |
6 | 35353231115 |
7 | 5623145414 |
oct | 1615274067 |
9 | 547506022 |
10 | 238385207 |
11 | 112620375 |
12 | 67a0249b |
13 | 3a506b48 |
14 | 2393510b |
15 | 15ddc9c2 |
hex | e357837 |
238385207 has 4 divisors (see below), whose sum is σ = 239105736. Its totient is φ = 237664680.
The previous prime is 238385201. The next prime is 238385227. The reversal of 238385207 is 702583832.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 238385207 - 26 = 238385143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238385201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359768 + ... + 360429.
It is an arithmetic number, because the mean of its divisors is an integer number (59776434).
Almost surely, 2238385207 is an apocalyptic number.
238385207 is a deficient number, since it is larger than the sum of its proper divisors (720529).
238385207 is an equidigital number, since it uses as much as digits as its factorization.
238385207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720528.
The product of its (nonzero) digits is 80640, while the sum is 38.
The square root of 238385207 is about 15439.7282035663. The cubic root of 238385207 is about 620.0496032114.
The spelling of 238385207 in words is "two hundred thirty-eight million, three hundred eighty-five thousand, two hundred seven".
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