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104126881 = 973533041
BaseRepresentation
bin1100011010011…
…01100110100001
321020221012020011
412031031212201
5203124030011
614155444521
72403030625
oct615154641
9236835204
10104126881
1153860081
122aa56741
131875a051
14db87185
15921c621
hex634d9a1

104126881 has 8 divisors (see below), whose sum is σ = 105533064. Its totient is φ = 102727680.

The previous prime is 104126863. The next prime is 104126899. The reversal of 104126881 is 188621401.

104126881 = 72152 + 72162.

It is an interprime number because it is at equal distance from previous prime (104126863) and next prime (104126899).

It can be written as a sum of positive squares in 4 ways, for example, as 37149025 + 66977856 = 6095^2 + 8184^2 .

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 104126881 - 27 = 104126753 is a prime.

It is a super-2 number, since 2×1041268812 = 21684814693576322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104126851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32721 + ... + 35761.

It is an arithmetic number, because the mean of its divisors is an integer number (13191633).

Almost surely, 2104126881 is an apocalyptic number.

104126881 is the 7216-th centered square number.

It is an amenable number.

104126881 is a deficient number, since it is larger than the sum of its proper divisors (1406183).

104126881 is an equidigital number, since it uses as much as digits as its factorization.

104126881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 104126881 is about 10204.2579838026. The cubic root of 104126881 is about 470.4581032191.

The spelling of 104126881 in words is "one hundred four million, one hundred twenty-six thousand, eight hundred eighty-one".

Divisors: 1 97 353 3041 34241 294977 1073473 104126881