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104201445 = 3553131071
BaseRepresentation
bin1100011010111…
…11110011100101
321021001222111210
412031133303211
5203133421240
614201222033
72403461205
oct615376345
9237058453
10104201445
11539010a7
122aa91919
1318784c7a
14dba6405
159234780
hex635fce5

104201445 has 16 divisors (see below), whose sum is σ = 169869312. Its totient is φ = 54525120.

The previous prime is 104201443. The next prime is 104201473. The reversal of 104201445 is 544102401.

It is a happy number.

It is not a de Polignac number, because 104201445 - 21 = 104201443 is a prime.

It is a super-2 number, since 2×1042014452 = 21715882280176050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104201443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64741 + ... + 66330.

It is an arithmetic number, because the mean of its divisors is an integer number (10616832).

Almost surely, 2104201445 is an apocalyptic number.

104201445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104201445 is a deficient number, since it is larger than the sum of its proper divisors (65667867).

104201445 is a wasteful number, since it uses less digits than its factorization.

104201445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131132.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 104201445 is about 10207.9109028243. The cubic root of 104201445 is about 470.5703728774.

Adding to 104201445 its reverse (544102401), we get a palindrome (648303846).

The spelling of 104201445 in words is "one hundred four million, two hundred one thousand, four hundred forty-five".

Divisors: 1 3 5 15 53 159 265 795 131071 393213 655355 1966065 6946763 20840289 34733815 104201445