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80810058 = 2375932611
BaseRepresentation
bin1001101000100…
…01000001001010
312122001120120010
410310101001022
5131141410213
612004012350
72000605560
oct464210112
9178046503
1080810058
114168487a
12230910b6
1313985004
14aa37a30
157163ac3
hex4d1104a

80810058 has 32 divisors (see below), whose sum is σ = 187845120. Its totient is φ = 22696560.

The previous prime is 80810053. The next prime is 80810069. The reversal of 80810058 is 85001808.

It is a super-3 number, since 3×808100583 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80810053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13828 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (5870160).

Almost surely, 280810058 is an apocalyptic number.

80810058 is an abundant number, since it is smaller than the sum of its proper divisors (107035062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80810058 is a wasteful number, since it uses less digits than its factorization.

80810058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32682.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 80810058 is about 8989.4414731951. The cubic root of 80810058 is about 432.3364042075.

The spelling of 80810058 in words is "eighty million, eight hundred ten thousand, fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 59 118 177 354 413 826 1239 2478 32611 65222 97833 195666 228277 456554 684831 1369662 1924049 3848098 5772147 11544294 13468343 26936686 40405029 80810058