Base | Representation |
---|---|
bin | 11100011110011… |
… | …01100111101101 |
3 | 121122110210122000 |
4 | 32033031213231 |
5 | 442122301343 |
6 | 35411442513 |
7 | 5630232000 |
oct | 1617154755 |
9 | 548423560 |
10 | 238868973 |
11 | 112920882 |
12 | 67bb6439 |
13 | 3a6460b5 |
14 | 23a1d537 |
15 | 15e85ed3 |
hex | e3cd9ed |
238868973 has 32 divisors (see below), whose sum is σ = 412704000. Its totient is φ = 136491264.
The previous prime is 238868963. The next prime is 238868977. The reversal of 238868973 is 379868832.
It is not a de Polignac number, because 238868973 - 24 = 238868957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238868977) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3636 + ... + 22157.
It is an arithmetic number, because the mean of its divisors is an integer number (12897000).
Almost surely, 2238868973 is an apocalyptic number.
It is an amenable number.
238868973 is a deficient number, since it is larger than the sum of its proper divisors (173835027).
238868973 is an equidigital number, since it uses as much as digits as its factorization.
238868973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25823 (or 25803 counting only the distinct ones).
The product of its digits is 3483648, while the sum is 54.
The square root of 238868973 is about 15455.3865367386. The cubic root of 238868973 is about 620.4687514768.
The spelling of 238868973 in words is "two hundred thirty-eight million, eight hundred sixty-eight thousand, nine hundred seventy-three".
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