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42793227 = 326477349
BaseRepresentation
bin1010001100111…
…1100100001011
32222112010021100
42203033210023
541423340402
64125112443
71026510411
oct243174413
988463240
1042793227
1122179204
12123b8723
138b34049
14597d2b1
153b5471c
hex28cf90b

42793227 has 12 divisors (see below), whose sum is σ = 61916400. Its totient is φ = 28480848.

The previous prime is 42793211. The next prime is 42793229. The reversal of 42793227 is 72239724.

42793227 is a `hidden beast` number, since 427 + 9 + 3 + 227 = 666.

42793227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42793227 - 24 = 42793211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42793191 and 42793200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42793229) 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 11 ways as a sum of consecutive naturals, for example, 2149 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (5159700).

Almost surely, 242793227 is an apocalyptic number.

42793227 is a deficient number, since it is larger than the sum of its proper divisors (19123173).

42793227 is a wasteful number, since it uses less digits than its factorization.

42793227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002 (or 7999 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 42793227 is about 6541.6532314087. The cubic root of 42793227 is about 349.7773468242. Note that the first 3 decimals are identical.

The spelling of 42793227 in words is "forty-two million, seven hundred ninety-three thousand, two hundred twenty-seven".

Divisors: 1 3 9 647 1941 5823 7349 22047 66141 4754803 14264409 42793227