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104847421 = 722965407
BaseRepresentation
bin1100011111111…
…01100000111101
321022021210121211
412033331200331
5203320104141
614223124421
72412121420
oct617754075
9238253554
10104847421
1154202468
122b143711
131894ccc3
14dcd39b7
159310d81
hex63fd83d

104847421 has 8 divisors (see below), whose sum is σ = 120350720. Its totient is φ = 89475408.

The previous prime is 104847403. The next prime is 104847439. The reversal of 104847421 is 124748401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104847403) and next prime (104847439).

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 104847421 - 27 = 104847293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104847451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31101 + ... + 34306.

It is an arithmetic number, because the mean of its divisors is an integer number (15043840).

Almost surely, 2104847421 is an apocalyptic number.

It is an amenable number.

104847421 is a deficient number, since it is larger than the sum of its proper divisors (15503299).

104847421 is an equidigital number, since it uses as much as digits as its factorization.

104847421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65643.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 104847421 is about 10239.5029664530. The cubic root of 104847421 is about 471.5407726422.

The spelling of 104847421 in words is "one hundred four million, eight hundred forty-seven thousand, four hundred twenty-one".

Divisors: 1 7 229 1603 65407 457849 14978203 104847421