Base | Representation |
---|---|
bin | 11100100110000… |
… | …11000000100001 |
3 | 121201100212101020 |
4 | 32103003000201 |
5 | 442401432311 |
6 | 35445200053 |
7 | 5641616226 |
oct | 1623030041 |
9 | 551325336 |
10 | 239874081 |
11 | 113447a47 |
12 | 68400029 |
13 | 3a908735 |
14 | 23c0194d |
15 | 160d3c06 |
hex | e4c3021 |
239874081 has 8 divisors (see below), whose sum is σ = 327270240. Its totient is φ = 156196992.
The previous prime is 239874079. The next prime is 239874101. The reversal of 239874081 is 180478932.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 239874081 - 21 = 239874079 is a prime.
It is a super-2 number, since 2×2398740812 = 115079149471189122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (239874181) 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, 929616 + ... + 929873.
It is an arithmetic number, because the mean of its divisors is an integer number (40908780).
Almost surely, 2239874081 is an apocalyptic number.
It is an amenable number.
239874081 is a deficient number, since it is larger than the sum of its proper divisors (87396159).
239874081 is a wasteful number, since it uses less digits than its factorization.
239874081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1859535.
The product of its (nonzero) digits is 96768, while the sum is 42.
The square root of 239874081 is about 15487.8688333805. The cubic root of 239874081 is about 621.3377989529.
The spelling of 239874081 in words is "two hundred thirty-nine million, eight hundred seventy-four thousand, eighty-one".
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