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54408105 = 345134341
BaseRepresentation
bin1100111110001…
…1001110101001
310210101012220000
43033203032221
5102412024410
65222053213
71230314133
oct317431651
9123335800
1054408105
1128791684
121627a209
13b36c95b
147324053
154b9adc0
hex33e33a9

54408105 has 20 divisors (see below), whose sum is σ = 97532292. Its totient is φ = 29017440.

The previous prime is 54408097. The next prime is 54408119. The reversal of 54408105 is 50180445.

It can be written as a sum of positive squares in 2 ways, for example, as 30437289 + 23970816 = 5517^2 + 4896^2 .

It is not a de Polignac number, because 54408105 - 23 = 54408097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66766 + ... + 67575.

Almost surely, 254408105 is an apocalyptic number.

It is an amenable number.

54408105 is a deficient number, since it is larger than the sum of its proper divisors (43124187).

54408105 is a wasteful number, since it uses less digits than its factorization.

54408105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134358 (or 134349 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54408105 is about 7376.1849895457. The cubic root of 54408105 is about 378.9261116092.

The spelling of 54408105 in words is "fifty-four million, four hundred eight thousand, one hundred five".

Divisors: 1 3 5 9 15 27 45 81 135 405 134341 403023 671705 1209069 2015115 3627207 6045345 10881621 18136035 54408105