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104640611 = 389268999
BaseRepresentation
bin1100011110010…
…11000001100011
321021220021221012
412033023001203
5203241444421
614214451135
72410300445
oct617130143
9237807835
10104640611
1154081049
122b063aab
13188a9b2a
14dc7c495
1592be95b
hex63cb063

104640611 has 4 divisors (see below), whose sum is σ = 104910000. Its totient is φ = 104371224.

The previous prime is 104640577. The next prime is 104640637. The reversal of 104640611 is 116046401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116046401 = 509227989.

It is a cyclic number.

It is not a de Polignac number, because 104640611 - 214 = 104624227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104640691) 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 3 ways as a sum of consecutive naturals, for example, 134111 + ... + 134888.

It is an arithmetic number, because the mean of its divisors is an integer number (26227500).

Almost surely, 2104640611 is an apocalyptic number.

104640611 is a deficient number, since it is larger than the sum of its proper divisors (269389).

104640611 is an equidigital number, since it uses as much as digits as its factorization.

104640611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269388.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 104640611 is about 10229.3993469803. The cubic root of 104640611 is about 471.2305328190.

The spelling of 104640611 in words is "one hundred four million, six hundred forty thousand, six hundred eleven".

Divisors: 1 389 268999 104640611