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104249385 = 3252316653
BaseRepresentation
bin1100011011010…
…11100000101001
321021011102021100
412031223200221
5203141440020
614202232013
72404051032
oct615534051
9237142240
10104249385
1153934119
122aab5609
13187a0a36
14dbb9a89
159243a90
hex636b829

104249385 has 12 divisors (see below), whose sum is σ = 180699012. Its totient is φ = 55599648.

The previous prime is 104249381. The next prime is 104249417. The reversal of 104249385 is 583942401.

It can be written as a sum of positive squares in 2 ways, for example, as 82682649 + 21566736 = 9093^2 + 4644^2 .

It is not a de Polignac number, because 104249385 - 22 = 104249381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104249381) 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 11 ways as a sum of consecutive naturals, for example, 1158282 + ... + 1158371.

It is an arithmetic number, because the mean of its divisors is an integer number (15058251).

Almost surely, 2104249385 is an apocalyptic number.

104249385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104249385 is a deficient number, since it is larger than the sum of its proper divisors (76449627).

104249385 is a wasteful number, since it uses less digits than its factorization.

104249385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316664 (or 2316661 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 104249385 is about 10210.2588116071. The cubic root of 104249385 is about 470.6425269791.

The spelling of 104249385 in words is "one hundred four million, two hundred forty-nine thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 45 2316653 6949959 11583265 20849877 34749795 104249385