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104793891 = 383420859
BaseRepresentation
bin1100011111100…
…00011100100011
321022012002012020
412033300130203
5203311401031
614222032523
72411506356
oct617603443
9238162166
10104793891
1154176224
122b118743
1318931827
14dcbc29d
159300096
hex63f0723

104793891 has 8 divisors (see below), whose sum is σ = 141408960. Its totient is φ = 69020712.

The previous prime is 104793883. The next prime is 104793893. The reversal of 104793891 is 198397401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104793891 - 23 = 104793883 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (104793893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210181 + ... + 210678.

It is an arithmetic number, because the mean of its divisors is an integer number (17676120).

Almost surely, 2104793891 is an apocalyptic number.

104793891 is a deficient number, since it is larger than the sum of its proper divisors (36615069).

104793891 is an equidigital number, since it uses as much as digits as its factorization.

104793891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420945.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 104793891 is about 10236.8887363300. Note that the first 3 decimals coincide. The cubic root of 104793891 is about 471.4605103771.

The spelling of 104793891 in words is "one hundred four million, seven hundred ninety-three thousand, eight hundred ninety-one".

Divisors: 1 3 83 249 420859 1262577 34931297 104793891