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104689057 = 119517187
BaseRepresentation
bin1100011110101…
…10110110100001
321021222202101111
412033112312201
5203300022212
614215503321
72410561624
oct617266641
9237882344
10104689057
1154104490
122b087b41
13188c5bb5
14dc91dbb
1592cdea7
hex63d6da1

104689057 has 4 divisors (see below), whose sum is σ = 114206256. Its totient is φ = 95171860.

The previous prime is 104689049. The next prime is 104689061. The reversal of 104689057 is 750986401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104689057 - 23 = 104689049 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104689007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4758583 + ... + 4758604.

It is an arithmetic number, because the mean of its divisors is an integer number (28551564).

Almost surely, 2104689057 is an apocalyptic number.

It is an amenable number.

104689057 is a deficient number, since it is larger than the sum of its proper divisors (9517199).

104689057 is an equidigital number, since it uses as much as digits as its factorization.

104689057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9517198.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 104689057 is about 10231.7670516876. The cubic root of 104689057 is about 471.3032442707.

The spelling of 104689057 in words is "one hundred four million, six hundred eighty-nine thousand, fifty-seven".

Divisors: 1 11 9517187 104689057