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104050945 = 520810189
BaseRepresentation
bin1100011001110…
…11000100000001
321020210100001201
412030323010001
5203114112240
614154101201
72402263345
oct614730401
9236710051
10104050945
1153809019
122aa1a801
131873160b
14db67625
159204d9a
hex633b101

104050945 has 4 divisors (see below), whose sum is σ = 124861140. Its totient is φ = 83240752.

The previous prime is 104050943. The next prime is 104050949. The reversal of 104050945 is 549050401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549050401 = 599305939.

It can be written as a sum of positive squares in 2 ways, for example, as 54051904 + 49999041 = 7352^2 + 7071^2 .

It is a cyclic number.

It is not a de Polignac number, because 104050945 - 21 = 104050943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104050943) 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, 10405090 + ... + 10405099.

It is an arithmetic number, because the mean of its divisors is an integer number (31215285).

Almost surely, 2104050945 is an apocalyptic number.

It is an amenable number.

104050945 is a deficient number, since it is larger than the sum of its proper divisors (20810195).

104050945 is an equidigital number, since it uses as much as digits as its factorization.

104050945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20810194.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 104050945 is about 10200.5365054981. The cubic root of 104050945 is about 470.3437126667.

The spelling of 104050945 in words is "one hundred four million, fifty thousand, nine hundred forty-five".

Divisors: 1 5 20810189 104050945