Base | Representation |
---|---|
bin | 11100011011000… |
… | …01000000010111 |
3 | 121121122012100202 |
4 | 32031201000113 |
5 | 442014032322 |
6 | 35354131115 |
7 | 5623366646 |
oct | 1615410027 |
9 | 547565322 |
10 | 238424087 |
11 | 112647600 |
12 | 67a20a9b |
13 | 3a51b755 |
14 | 2394535d |
15 | 15de9292 |
hex | e361017 |
238424087 has 12 divisors (see below), whose sum is σ = 262605840. Its totient is φ = 216305760.
The previous prime is 238424083. The next prime is 238424101. The reversal of 238424087 is 780424832.
It is a happy number.
It is not a de Polignac number, because 238424087 - 22 = 238424083 is a prime.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 238424087.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238424083) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67118 + ... + 70580.
It is an arithmetic number, because the mean of its divisors is an integer number (21883820).
Almost surely, 2238424087 is an apocalyptic number.
238424087 is a deficient number, since it is larger than the sum of its proper divisors (24181753).
238424087 is a wasteful number, since it uses less digits than its factorization.
238424087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4054 (or 4043 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 38.
The square root of 238424087 is about 15440.9872417537. The cubic root of 238424087 is about 620.0833108652.
The spelling of 238424087 in words is "two hundred thirty-eight million, four hundred twenty-four thousand, eighty-seven".
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