Base | Representation |
---|---|
bin | 11100011000010… |
… | …11010011111101 |
3 | 121120222100212200 |
4 | 32030023103331 |
5 | 441421314320 |
6 | 35342422113 |
7 | 5620405425 |
oct | 1614132375 |
9 | 546870780 |
10 | 238073085 |
11 | 112427918 |
12 | 67891939 |
13 | 3a427a63 |
14 | 23893485 |
15 | 15d7a290 |
hex | e30b4fd |
238073085 has 48 divisors (see below), whose sum is σ = 423609264. Its totient is φ = 123641856.
The previous prime is 238073081. The next prime is 238073107. The reversal of 238073085 is 580370832.
It can be written as a sum of positive squares in 8 ways, for example, as 83667609 + 154405476 = 9147^2 + 12426^2 .
It is not a de Polignac number, because 238073085 - 22 = 238073081 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238073081) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412317 + ... + 412893.
It is an arithmetic number, because the mean of its divisors is an integer number (8825193).
Almost surely, 2238073085 is an apocalyptic number.
It is an amenable number.
238073085 is a deficient number, since it is larger than the sum of its proper divisors (185536179).
238073085 is a wasteful number, since it uses less digits than its factorization.
238073085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 814 (or 811 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 238073085 is about 15429.6171371813. The cubic root of 238073085 is about 619.7788710202.
The spelling of 238073085 in words is "two hundred thirty-eight million, seventy-three thousand, eighty-five".
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