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104836081 = 7791011877
BaseRepresentation
bin1100011111110…
…10101111110001
321022021020001211
412033322233301
5203314223311
614223000121
72412043360
oct617725761
9238236054
10104836081
11541a4999
122b139041
1318947aac
14dccd7d7
15930c821
hex63fabf1

104836081 has 16 divisors (see below), whose sum is σ = 122595840. Its totient is φ = 87796800.

The previous prime is 104836063. The next prime is 104836159. The reversal of 104836081 is 180638401.

It is not a de Polignac number, because 104836081 - 223 = 96447473 is a prime.

It is a super-2 number, since 2×1048360812 = 21981207758877122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104836481) 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, 54915 + ... + 56791.

It is an arithmetic number, because the mean of its divisors is an integer number (7662240).

Almost surely, 2104836081 is an apocalyptic number.

It is an amenable number.

104836081 is a deficient number, since it is larger than the sum of its proper divisors (17759759).

104836081 is a wasteful number, since it uses less digits than its factorization.

104836081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 104836081 is about 10238.9492136645. The cubic root of 104836081 is about 471.5237718579.

The spelling of 104836081 in words is "one hundred four million, eight hundred thirty-six thousand, eighty-one".

Divisors: 1 7 79 101 553 707 1877 7979 13139 55853 148283 189577 1037981 1327039 14976583 104836081