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80830051 = 315934397
BaseRepresentation
bin1001101000101…
…01111001100011
312122002120222121
410310111321203
5131143030201
612004245111
72001021061
oct464257143
9178076877
1080830051
11416988a5
12230a0797
1313991143
14aa41031
1571699a1
hex4d15e63

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".

Divisors: 1 31 593 4397 18383 136307 2607421 80830051