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42892279 is a prime number
BaseRepresentation
bin1010001110011…
…1101111110111
32222201011010221
42203213233313
541440023104
64131155211
71030402243
oct243475767
988634127
1042892279
1122236671
1212445b07
138b6a161
1459a7423
153b73c54
hex28e7bf7

42892279 has 2 divisors, whose sum is σ = 42892280. Its totient is φ = 42892278.

The previous prime is 42892259. The next prime is 42892301. The reversal of 42892279 is 97229824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42892279 - 223 = 34503671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42892229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21446139 + 21446140.

It is an arithmetic number, because the mean of its divisors is an integer number (21446140).

Almost surely, 242892279 is an apocalyptic number.

42892279 is a deficient number, since it is larger than the sum of its proper divisors (1).

42892279 is an equidigital number, since it uses as much as digits as its factorization.

42892279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 42892279 is about 6549.2197245168. The cubic root of 42892279 is about 350.0470113723.

The spelling of 42892279 in words is "forty-two million, eight hundred ninety-two thousand, two hundred seventy-nine".