Base | Representation |
---|---|
bin | 1001101000101… |
… | …01010000001111 |
3 | 12122002110100200 |
4 | 10310111100033 |
5 | 131142434112 |
6 | 12004224543 |
7 | 2001010263 |
oct | 464252017 |
9 | 178073320 |
10 | 80827407 |
11 | 41696911 |
12 | 2309b153 |
13 | 1398cb8b |
14 | aa400a3 |
15 | 7168cdc |
hex | 4d1540f |
80827407 has 6 divisors (see below), whose sum is σ = 116750712. Its totient is φ = 53884932.
The previous prime is 80827399. The next prime is 80827421. The reversal of 80827407 is 70472808.
It is not a de Polignac number, because 80827407 - 23 = 80827399 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80827457) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4490403 + ... + 4490420.
It is an arithmetic number, because the mean of its divisors is an integer number (19458452).
Almost surely, 280827407 is an apocalyptic number.
80827407 is a deficient number, since it is larger than the sum of its proper divisors (35923305).
80827407 is a wasteful number, since it uses less digits than its factorization.
80827407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8980829 (or 8980826 counting only the distinct ones).
The product of its (nonzero) digits is 25088, while the sum is 36.
The square root of 80827407 is about 8990.4063868103. The cubic root of 80827407 is about 432.3673412293.
The spelling of 80827407 in words is "eighty million, eight hundred twenty-seven thousand, four hundred seven".
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