Base | Representation |
---|---|
bin | 1001101000101… |
… | …01111001100011 |
3 | 12122002120222121 |
4 | 10310111321203 |
5 | 131143030201 |
6 | 12004245111 |
7 | 2001021061 |
oct | 464257143 |
9 | 178076877 |
10 | 80830051 |
11 | 416988a5 |
12 | 230a0797 |
13 | 13991143 |
14 | aa41031 |
15 | 71699a1 |
hex | 4d15e63 |
80830051 has 8 divisors (see below), whose sum is σ = 83597184. Its totient is φ = 78072960.
The previous prime is 80830033. The next prime is 80830081. The reversal of 80830051 is 15003808.
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 80830051 - 27 = 80829923 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80829998 and 80830025.
It is not an unprimeable number, because it can be changed into a prime (80830031) 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, 16185 + ... + 20581.
It is an arithmetic number, because the mean of its divisors is an integer number (10449648).
Almost surely, 280830051 is an apocalyptic number.
80830051 is a deficient number, since it is larger than the sum of its proper divisors (2767133).
80830051 is a wasteful number, since it uses less digits than its factorization.
80830051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5021.
The product of its (nonzero) digits is 960, while the sum is 25.
The square root of 80830051 is about 8990.5534312410. The cubic root of 80830051 is about 432.3720556648.
Adding to 80830051 its reverse (15003808), we get a palindrome (95833859).
The spelling of 80830051 in words is "eighty million, eight hundred thirty thousand, fifty-one".
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