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42897337 = 710359497
BaseRepresentation
bin1010001110100…
…0111110111001
32222201102002021
42203220332321
541440203322
64131234441
71030423060
oct243507671
988642067
1042897337
112223a44a
1212448a21
138b6c552
1459a91d7
153b754c7
hex28e8fb9

42897337 has 8 divisors (see below), whose sum is σ = 49502336. Its totient is φ = 36411552.

The previous prime is 42897331. The next prime is 42897347. The reversal of 42897337 is 73379824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42897337 - 23 = 42897329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42897293 and 42897302.

It is not an unprimeable number, because it can be changed into a prime (42897331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29028 + ... + 30469.

It is an arithmetic number, because the mean of its divisors is an integer number (6187792).

Almost surely, 242897337 is an apocalyptic number.

It is an amenable number.

42897337 is a deficient number, since it is larger than the sum of its proper divisors (6604999).

42897337 is a wasteful number, since it uses less digits than its factorization.

42897337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59607.

The product of its digits is 254016, while the sum is 43.

The square root of 42897337 is about 6549.6058660045. The cubic root of 42897337 is about 350.0607704002.

It can be divided in two parts, 42897 and 337, that added together give a palindrome (43234).

The spelling of 42897337 in words is "forty-two million, eight hundred ninety-seven thousand, three hundred thirty-seven".

Divisors: 1 7 103 721 59497 416479 6128191 42897337