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42169127 = 71113103409
BaseRepresentation
bin1010000011011…
…1001100100111
32221100102011112
42200313030213
541243403002
64103455235
71021301030
oct240671447
987312145
1042169127
1121892320
121215751b
138975c60
145859a87
153a7e852
hex2837327

42169127 has 32 divisors (see below), whose sum is σ = 57308160. Its totient is φ = 29963520.

The previous prime is 42169093. The next prime is 42169133. The reversal of 42169127 is 72196124.

It is a happy number.

42169127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42169127 - 210 = 42168103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42169093 and 42169102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42169177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102899 + ... + 103307.

It is an arithmetic number, because the mean of its divisors is an integer number (1790880).

Almost surely, 242169127 is an apocalyptic number.

42169127 is a deficient number, since it is larger than the sum of its proper divisors (15139033).

42169127 is a wasteful number, since it uses less digits than its factorization.

42169127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its digits is 6048, while the sum is 32.

The square root of 42169127 is about 6493.7760201596. The cubic root of 42169127 is about 348.0686189389.

The spelling of 42169127 in words is "forty-two million, one hundred sixty-nine thousand, one hundred twenty-seven".

Divisors: 1 7 11 13 77 91 103 143 409 721 1001 1133 1339 2863 4499 5317 7931 9373 14729 31493 37219 42127 58487 103103 294889 409409 463397 547651 3243779 3833557 6024161 42169127