Base | Representation |
---|---|
bin | 11100011110110… |
… | …00001101011001 |
3 | 121122120000010101 |
4 | 32033120031121 |
5 | 442130143340 |
6 | 35412415401 |
7 | 5630502310 |
oct | 1617301531 |
9 | 548500111 |
10 | 238912345 |
11 | 112950421 |
12 | 68017561 |
13 | 3a65ca69 |
14 | 23a31277 |
15 | 15e93c9a |
hex | e3d8359 |
238912345 has 8 divisors (see below), whose sum is σ = 327651264. Its totient is φ = 163825584.
The previous prime is 238912337. The next prime is 238912363. The reversal of 238912345 is 543219832.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 238912345 - 23 = 238912337 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3412999 + ... + 3413068.
It is an arithmetic number, because the mean of its divisors is an integer number (40956408).
Almost surely, 2238912345 is an apocalyptic number.
It is an amenable number.
238912345 is a deficient number, since it is larger than the sum of its proper divisors (88738919).
238912345 is an equidigital number, since it uses as much as digits as its factorization.
238912345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6826079.
The product of its digits is 51840, while the sum is 37.
The square root of 238912345 is about 15456.7896084536. The cubic root of 238912345 is about 620.5063025266.
The spelling of 238912345 in words is "two hundred thirty-eight million, nine hundred twelve thousand, three hundred forty-five".
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