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409427095 = 5731121973
BaseRepresentation
bin11000011001110…
…101110010010111
31001112102001101111
4120121311302113
51314303131340
6104343235451
713101034000
oct3031656227
91045361344
10409427095
111a0124700
12b5148b87
1366a9246c
143c53a1a7
1525e26aea
hex18675c97

409427095 has 48 divisors (see below), whose sum is σ = 630100800. Its totient is φ = 255097920.

The previous prime is 409427093. The next prime is 409427101. The reversal of 409427095 is 590724904.

It is not a de Polignac number, because 409427095 - 21 = 409427093 is a prime.

It is a super-2 number, since 2×4094270952 = 335261092240278050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409427093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206529 + ... + 208501.

It is an arithmetic number, because the mean of its divisors is an integer number (13127100).

Almost surely, 2409427095 is an apocalyptic number.

409427095 is a deficient number, since it is larger than the sum of its proper divisors (220673705).

409427095 is a wasteful number, since it uses less digits than its factorization.

409427095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 409427095 is about 20234.3049052840. The cubic root of 409427095 is about 742.5496994625.

The spelling of 409427095 in words is "four hundred nine million, four hundred twenty-seven thousand, ninety-five".

Divisors: 1 5 7 11 35 49 55 77 121 245 343 385 539 605 847 1715 1973 2695 3773 4235 5929 9865 13811 18865 21703 29645 41503 69055 96677 108515 151921 207515 238733 483385 676739 759605 1063447 1193665 1671131 3383695 5317235 7444129 8355655 11697917 37220645 58489585 81885419 409427095