Base | Representation |
---|---|
bin | 11011100000101… |
… | …10011101011011 |
3 | 121002020202212211 |
4 | 31300112131123 |
5 | 433034404330 |
6 | 34522215551 |
7 | 5501405146 |
oct | 1560263533 |
9 | 532222784 |
10 | 230778715 |
11 | 1092a5512 |
12 | 653545b7 |
13 | 38a7286b |
14 | 2291505d |
15 | 153d8d2a |
hex | dc1675b |
230778715 has 8 divisors (see below), whose sum is σ = 277181568. Its totient is φ = 184458240.
The previous prime is 230778707. The next prime is 230778727. The reversal of 230778715 is 517877032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230778715 - 23 = 230778707 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, 14251 + ... + 25780.
It is an arithmetic number, because the mean of its divisors is an integer number (34647696).
Almost surely, 2230778715 is an apocalyptic number.
230778715 is a deficient number, since it is larger than the sum of its proper divisors (46402853).
230778715 is a wasteful number, since it uses less digits than its factorization.
230778715 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41189.
The product of its (nonzero) digits is 82320, while the sum is 40.
The square root of 230778715 is about 15191.4026672984. The cubic root of 230778715 is about 613.3832565761.
The spelling of 230778715 in words is "two hundred thirty million, seven hundred seventy-eight thousand, seven hundred fifteen".
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