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42897011 = 44995539
BaseRepresentation
bin1010001110100…
…0111001110011
32222201101122012
42203220321303
541440201021
64131233135
71030422113
oct243507163
988641565
1042897011
112223a183
12124487ab
138b6c361
1459a9043
153b7535b
hex28e8e73

42897011 has 4 divisors (see below), whose sum is σ = 42993000. Its totient is φ = 42801024.

The previous prime is 42896977. The next prime is 42897053. The reversal of 42897011 is 11079824.

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 42897011 - 214 = 42880627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42899011) 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, 47321 + ... + 48218.

It is an arithmetic number, because the mean of its divisors is an integer number (10748250).

Almost surely, 242897011 is an apocalyptic number.

42897011 is a deficient number, since it is larger than the sum of its proper divisors (95989).

42897011 is an equidigital number, since it uses as much as digits as its factorization.

42897011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95988.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 42897011 is about 6549.5809789635. The cubic root of 42897011 is about 350.0598836311.

The spelling of 42897011 in words is "forty-two million, eight hundred ninety-seven thousand, eleven".

Divisors: 1 449 95539 42897011