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41642405 = 572295861
BaseRepresentation
bin1001111011011…
…0100110100101
32220100122122022
42132312212211
541130024110
64044312525
71013645300
oct236664645
986318568
1041642405
1121562612
1211b42745
13882029c
14575db37
1539c8755
hex27b69a5

41642405 has 24 divisors (see below), whose sum is σ = 60144120. Its totient is φ = 27565440.

The previous prime is 41642399. The next prime is 41642407. The reversal of 41642405 is 50424614.

It can be written as a sum of positive squares in 4 ways, for example, as 3869089 + 37773316 = 1967^2 + 6146^2 .

It is not a de Polignac number, because 41642405 - 222 = 37448101 is a prime.

It is a super-4 number, since 4×416424054 (a number of 32 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41642407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4175 + ... + 10035.

It is an arithmetic number, because the mean of its divisors is an integer number (2506005).

Almost surely, 241642405 is an apocalyptic number.

It is an amenable number.

41642405 is a deficient number, since it is larger than the sum of its proper divisors (18501715).

41642405 is a wasteful number, since it uses less digits than its factorization.

41642405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 41642405 is about 6453.0926694105. The cubic root of 41642405 is about 346.6133357104.

The spelling of 41642405 in words is "forty-one million, six hundred forty-two thousand, four hundred five".

Divisors: 1 5 7 29 35 49 145 203 245 1015 1421 5861 7105 29305 41027 169969 205135 287189 849845 1189783 1435945 5948915 8328481 41642405