Base | Representation |
---|---|
bin | 1001101000110… |
… | …10101010010011 |
3 | 12122010120201222 |
4 | 10310122222103 |
5 | 131144141210 |
6 | 12004515255 |
7 | 2001131663 |
oct | 464325223 |
9 | 178116658 |
10 | 80849555 |
11 | 41701516 |
12 | 230abb2b |
13 | 13999c97 |
14 | aa481a3 |
15 | 7170655 |
hex | 4d1aa93 |
80849555 has 8 divisors (see below), whose sum is σ = 97080000. Its totient is φ = 64639296.
The previous prime is 80849507. The next prime is 80849567. The reversal of 80849555 is 55594808.
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 80849555 - 26 = 80849491 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 5951 + ... + 14039.
It is an arithmetic number, because the mean of its divisors is an integer number (12135000).
Almost surely, 280849555 is an apocalyptic number.
80849555 is a deficient number, since it is larger than the sum of its proper divisors (16230445).
80849555 is a wasteful number, since it uses less digits than its factorization.
80849555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10093.
The product of its (nonzero) digits is 288000, while the sum is 44.
The square root of 80849555 is about 8991.6380598865. The cubic root of 80849555 is about 432.4068294743.
The spelling of 80849555 in words is "eighty million, eight hundred forty-nine thousand, five hundred fifty-five".
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