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104949919 = 472399343
BaseRepresentation
bin1100100000101…
…10100010011111
321022111000020001
412100112202133
5203331344134
614225235131
72413026304
oct620264237
9238430201
10104949919
1154272478
122b192aa7
1318987859
14dd1d0ab
159331414
hex641689f

104949919 has 8 divisors (see below), whose sum is σ = 107642880. Its totient is φ = 102276216.

The previous prime is 104949917. The next prime is 104949937. The reversal of 104949919 is 919949401.

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 104949919 - 21 = 104949917 is a prime.

It is a super-4 number, since 4×1049499194 (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104949913) 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, 6562 + ... + 15904.

It is an arithmetic number, because the mean of its divisors is an integer number (13455360).

Almost surely, 2104949919 is an apocalyptic number.

104949919 is a deficient number, since it is larger than the sum of its proper divisors (2692961).

104949919 is an equidigital number, since it uses as much as digits as its factorization.

104949919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 104949919 is about 10244.5067719242. The cubic root of 104949919 is about 471.6943807600.

The spelling of 104949919 in words is "one hundred four million, nine hundred forty-nine thousand, nine hundred nineteen".

Divisors: 1 47 239 9343 11233 439121 2232977 104949919