Base | Representation |
---|---|
bin | 1001101000101… |
… | …10011110010101 |
3 | 12122002201012210 |
4 | 10310112132111 |
5 | 131143114110 |
6 | 12004304033 |
7 | 2001030663 |
oct | 464263625 |
9 | 178081183 |
10 | 80832405 |
11 | 4169a645 |
12 | 230a2019 |
13 | 13992234 |
14 | aa41c33 |
15 | 716a520 |
hex | 4d16795 |
80832405 has 16 divisors (see below), whose sum is σ = 130970880. Its totient is φ = 42564288.
The previous prime is 80832359. The next prime is 80832439. The reversal of 80832405 is 50423808.
It is not a de Polignac number, because 80832405 - 217 = 80701333 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32922 + ... + 35291.
It is an arithmetic number, because the mean of its divisors is an integer number (8185680).
Almost surely, 280832405 is an apocalyptic number.
It is an amenable number.
80832405 is a deficient number, since it is larger than the sum of its proper divisors (50138475).
80832405 is a wasteful number, since it uses less digits than its factorization.
80832405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68300.
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 80832405 is about 8990.6843454767. The cubic root of 80832405 is about 432.3762529236.
The spelling of 80832405 in words is "eighty million, eight hundred thirty-two thousand, four hundred five".
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