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103409885 = 5173119549
BaseRepresentation
bin1100010100111…
…10100011011101
321012120202200202
412022132203131
5202433104020
614132233245
72363653355
oct612364335
9235522622
10103409885
1153410417
122a76b825
13185688a7
14da3bb65
159129e75
hex629e8dd

103409885 has 8 divisors (see below), whose sum is σ = 124810200. Its totient is φ = 82249024.

The previous prime is 103409849. The next prime is 103409897. The reversal of 103409885 is 588904301.

It can be written as a sum of positive squares in 4 ways, for example, as 33570436 + 69839449 = 5794^2 + 8357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103409885 - 26 = 103409821 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58910 + ... + 60639.

It is an arithmetic number, because the mean of its divisors is an integer number (15601275).

Almost surely, 2103409885 is an apocalyptic number.

It is an amenable number.

103409885 is a deficient number, since it is larger than the sum of its proper divisors (21400315).

103409885 is a wasteful number, since it uses less digits than its factorization.

103409885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119727.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 103409885 is about 10169.0650996048. The cubic root of 103409885 is about 469.3757897284.

The spelling of 103409885 in words is "one hundred three million, four hundred nine thousand, eight hundred eighty-five".

Divisors: 1 5 173 865 119549 597745 20681977 103409885