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104084491 = 714869213
BaseRepresentation
bin1100011010000…
…11010000001011
321020212001002011
412031003100023
5203121200431
614154520351
72402463220
oct615032013
9236761064
10104084491
1153831245
122aa360b7
1318743974
14db75947
15920ecb1
hex634340b

104084491 has 4 divisors (see below), whose sum is σ = 118953712. Its totient is φ = 89215272.

The previous prime is 104084479. The next prime is 104084507. The reversal of 104084491 is 194480401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194480401 = 1789108709.

It is a cyclic number.

It is not a de Polignac number, because 104084491 - 25 = 104084459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104084411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7434600 + ... + 7434613.

It is an arithmetic number, because the mean of its divisors is an integer number (29738428).

Almost surely, 2104084491 is an apocalyptic number.

104084491 is a deficient number, since it is larger than the sum of its proper divisors (14869221).

104084491 is an equidigital number, since it uses as much as digits as its factorization.

104084491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14869220.

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

The square root of 104084491 is about 10202.1806982625. The cubic root of 104084491 is about 470.3942534695.

The spelling of 104084491 in words is "one hundred four million, eighty-four thousand, four hundred ninety-one".

Divisors: 1 7 14869213 104084491