Base | Representation |
---|---|
bin | 11100011111010… |
… | …11110001101100 |
3 | 121122201002001210 |
4 | 32033223301230 |
5 | 442140224432 |
6 | 35414234420 |
7 | 5631255054 |
oct | 1617536154 |
9 | 548632053 |
10 | 238992492 |
11 | 1129a5662 |
12 | 68055a10 |
13 | 3a68a39b |
14 | 23a52564 |
15 | 15eac8cc |
hex | e3ebc6c |
238992492 has 12 divisors (see below), whose sum is σ = 557649176. Its totient is φ = 79664160.
The previous prime is 238992491. The next prime is 238992493. The reversal of 238992492 is 294299832.
238992492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (238992491) and next prime (238992493).
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-2 number, since 2×2389924922 = 114234822464740128, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (238992491) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9958009 + ... + 9958032.
Almost surely, 2238992492 is an apocalyptic number.
It is an amenable number.
238992492 is an abundant number, since it is smaller than the sum of its proper divisors (318656684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238992492 is a wasteful number, since it uses less digits than its factorization.
238992492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19916048 (or 19916046 counting only the distinct ones).
The product of its digits is 559872, while the sum is 48.
The square root of 238992492 is about 15459.3820057595. The cubic root of 238992492 is about 620.5756810519.
The spelling of 238992492 in words is "two hundred thirty-eight million, nine hundred ninety-two thousand, four hundred ninety-two".
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