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104201551 = 172536803
BaseRepresentation
bin1100011010111…
…11110101001111
321021001222122201
412031133311033
5203133422201
614201222331
72403461416
oct615376517
9237058581
10104201551
1153901193
122aa919a7
131878502c
14dba647d
159234801
hex635fd4f

104201551 has 12 divisors (see below), whose sum is σ = 112796712. Its totient is φ = 96207488.

The previous prime is 104201527. The next prime is 104201557. The reversal of 104201551 is 155102401.

It is not a de Polignac number, because 104201551 - 29 = 104201039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104201557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11916 + ... + 18718.

It is an arithmetic number, because the mean of its divisors is an integer number (9399726).

Almost surely, 2104201551 is an apocalyptic number.

104201551 is a deficient number, since it is larger than the sum of its proper divisors (8595161).

104201551 is an equidigital number, since it uses as much as digits as its factorization.

104201551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 104201551 is about 10207.9160948746. The cubic root of 104201551 is about 470.5705324416.

Adding to 104201551 its reverse (155102401), we get a palindrome (259303952).

The spelling of 104201551 in words is "one hundred four million, two hundred one thousand, five hundred fifty-one".

Divisors: 1 17 53 289 901 6803 15317 115651 360559 1966067 6129503 104201551