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104897491 = 616072833
BaseRepresentation
bin1100100000010…
…01101111010011
321022101100022021
412100021233103
5203323204431
614224152311
72412420406
oct620115723
9238340267
10104897491
1154237046
122b168697
1318969a2a
14dd07d3d
159320b11
hex6409bd3

104897491 has 8 divisors (see below), whose sum is σ = 106830464. Its totient is φ = 102971520.

The previous prime is 104897453. The next prime is 104897539. The reversal of 104897491 is 194798401.

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 104897491 - 211 = 104895443 is a prime.

It is a super-2 number, since 2×1048974912 = 22006967236190162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104897291) 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, 35611 + ... + 38443.

It is an arithmetic number, because the mean of its divisors is an integer number (13353808).

Almost surely, 2104897491 is an apocalyptic number.

104897491 is a deficient number, since it is larger than the sum of its proper divisors (1932973).

104897491 is an equidigital number, since it uses as much as digits as its factorization.

104897491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 104897491 is about 10241.9476175188. The cubic root of 104897491 is about 471.6158222998.

The spelling of 104897491 in words is "one hundred four million, eight hundred ninety-seven thousand, four hundred ninety-one".

Divisors: 1 61 607 2833 37027 172813 1719631 104897491