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42892079 = 231864873
BaseRepresentation
bin1010001110011…
…1101100101111
32222201010212112
42203213230233
541440021304
64131154235
71030401536
oct243475457
988633775
1042892079
11222364aa
121244597b
138b6a039
1459a731d
153b73b6e
hex28e7b2f

42892079 has 4 divisors (see below), whose sum is σ = 44756976. Its totient is φ = 41027184.

The previous prime is 42892061. The next prime is 42892081. The reversal of 42892079 is 97029824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42892079 - 212 = 42887983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42892009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932414 + ... + 932459.

It is an arithmetic number, because the mean of its divisors is an integer number (11189244).

Almost surely, 242892079 is an apocalyptic number.

42892079 is a deficient number, since it is larger than the sum of its proper divisors (1864897).

42892079 is a wasteful number, since it uses less digits than its factorization.

42892079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864896.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 42892079 is about 6549.2044555045. The cubic root of 42892079 is about 350.0464672999.

The spelling of 42892079 in words is "forty-two million, eight hundred ninety-two thousand, seventy-nine".

Divisors: 1 23 1864873 42892079