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42175469 = 731263739
BaseRepresentation
bin1010000011100…
…0101111101101
32221100201212102
42200320233231
541244103334
64103544445
71021325360
oct240705755
987321772
1042175469
1121897066
121215b125
138978acb
14585c0d7
153a8167e
hex2838bed

42175469 has 16 divisors (see below), whose sum is σ = 50012160. Its totient is φ = 34804080.

The previous prime is 42175457. The next prime is 42175477. The reversal of 42175469 is 96457124.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42175469 is a prime.

It is a super-2 number, since 2×421754692 = 3557540370739922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42175489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56702 + ... + 57440.

It is an arithmetic number, because the mean of its divisors is an integer number (3125760).

Almost surely, 242175469 is an apocalyptic number.

It is an amenable number.

42175469 is a deficient number, since it is larger than the sum of its proper divisors (7836691).

42175469 is a wasteful number, since it uses less digits than its factorization.

42175469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its digits is 60480, while the sum is 38.

The square root of 42175469 is about 6494.2643155326. The cubic root of 42175469 is about 348.0860672531.

The spelling of 42175469 in words is "forty-two million, one hundred seventy-five thousand, four hundred sixty-nine".

Divisors: 1 7 31 217 263 739 1841 5173 8153 22909 57071 160363 194357 1360499 6025067 42175469