Base | Representation |
---|---|
bin | 1001101000101… |
… | …01110001001111 |
3 | 12122002120020220 |
4 | 10310111301033 |
5 | 131143021034 |
6 | 12004242423 |
7 | 2001016401 |
oct | 464256117 |
9 | 178076226 |
10 | 80829519 |
11 | 41698461 |
12 | 230a0413 |
13 | 13990b24 |
14 | aa40b71 |
15 | 7169749 |
hex | 4d15c4f |
80829519 has 12 divisors (see below), whose sum is σ = 110123544. Its totient is φ = 52735504.
The previous prime is 80829499. The next prime is 80829523. The reversal of 80829519 is 91592808.
It is a happy number.
It is not a de Polignac number, because 80829519 - 25 = 80829487 is a prime.
It is a super-2 number, since 2×808295192 = 13066822283542722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80829569) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529 + ... + 12725.
It is an arithmetic number, because the mean of its divisors is an integer number (9176962).
Almost surely, 280829519 is an apocalyptic number.
80829519 is a deficient number, since it is larger than the sum of its proper divisors (29294025).
80829519 is a wasteful number, since it uses less digits than its factorization.
80829519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12294 (or 12247 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 42.
The square root of 80829519 is about 8990.5238445821. The cubic root of 80829519 is about 432.3711070801.
The spelling of 80829519 in words is "eighty million, eight hundred twenty-nine thousand, five hundred nineteen".
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