Base | Representation |
---|---|
bin | 101111101100000… |
… | …100011000011111 |
3 | 2001202111100101220 |
4 | 233230010120133 |
5 | 3114310101224 |
6 | 211220304423 |
7 | 25553402643 |
oct | 5754043037 |
9 | 2052440356 |
10 | 800081439 |
11 | 380697033 |
12 | 1a3b42113 |
13 | c99b0c91 |
14 | 7838ac23 |
15 | 4a391279 |
hex | 2fb0461f |
800081439 has 8 divisors (see below), whose sum is σ = 1066945920. Its totient is φ = 533302296.
The previous prime is 800081437. The next prime is 800081461. The reversal of 800081439 is 934180008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 800081439 - 21 = 800081437 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (800081437) 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, 5292 + ... + 40350.
It is an arithmetic number, because the mean of its divisors is an integer number (133368240).
Almost surely, 2800081439 is an apocalyptic number.
800081439 is a deficient number, since it is larger than the sum of its proper divisors (266864481).
800081439 is a wasteful number, since it uses less digits than its factorization.
800081439 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42669.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 800081439 is about 28285.7108625539. The cubic root of 800081439 is about 928.3492661831.
The spelling of 800081439 in words is "eight hundred million, eighty-one thousand, four hundred thirty-nine".
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