Base | Representation |
---|---|
bin | 11100100110001… |
… | …00101001011001 |
3 | 121201101012120211 |
4 | 32103010221121 |
5 | 442402141133 |
6 | 35445251121 |
7 | 5641644625 |
oct | 1623045131 |
9 | 551335524 |
10 | 239880793 |
11 | 113451a99 |
12 | 68403aa1 |
13 | 3a90b7c9 |
14 | 23c04185 |
15 | 160d5bcd |
hex | e4c4a59 |
239880793 has 4 divisors (see below), whose sum is σ = 241098660. Its totient is φ = 238662928.
The previous prime is 239880787. The next prime is 239880803. The reversal of 239880793 is 397088932.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 225840784 + 14040009 = 15028^2 + 3747^2 .
It is a cyclic number.
It is not a de Polignac number, because 239880793 - 29 = 239880281 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (239880493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608638 + ... + 609031.
It is an arithmetic number, because the mean of its divisors is an integer number (60274665).
Almost surely, 2239880793 is an apocalyptic number.
It is an amenable number.
239880793 is a deficient number, since it is larger than the sum of its proper divisors (1217867).
239880793 is a wasteful number, since it uses less digits than its factorization.
239880793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1217866.
The product of its (nonzero) digits is 653184, while the sum is 49.
The square root of 239880793 is about 15488.0855175842. The cubic root of 239880793 is about 621.3435941885.
The spelling of 239880793 in words is "two hundred thirty-nine million, eight hundred eighty thousand, seven hundred ninety-three".
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