Base | Representation |
---|---|
bin | 11100011010101… |
… | …11100101111101 |
3 | 121121120020110211 |
4 | 32031113211331 |
5 | 442011314113 |
6 | 35353232421 |
7 | 5623146361 |
oct | 1615274575 |
9 | 547506424 |
10 | 238385533 |
11 | 112620641 |
12 | 67a02711 |
13 | 3a507039 |
14 | 239352a1 |
15 | 15ddcb3d |
hex | e35797d |
238385533 has 8 divisors (see below), whose sum is σ = 251277120. Its totient is φ = 225528480.
The previous prime is 238385519. The next prime is 238385557. The reversal of 238385533 is 335583832.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 238385533 - 213 = 238377341 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 (238385633) 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, 6216 + ... + 22702.
It is an arithmetic number, because the mean of its divisors is an integer number (31409640).
Almost surely, 2238385533 is an apocalyptic number.
It is an amenable number.
238385533 is a deficient number, since it is larger than the sum of its proper divisors (12891587).
238385533 is a wasteful number, since it uses less digits than its factorization.
238385533 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17267.
The product of its digits is 259200, while the sum is 40.
The square root of 238385533 is about 15439.7387607433. The cubic root of 238385533 is about 620.0498858577.
The spelling of 238385533 in words is "two hundred thirty-eight million, three hundred eighty-five thousand, five hundred thirty-three".
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