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42393485 = 523438573
BaseRepresentation
bin1010000110110…
…1111110001101
32221202210221002
42201231332031
541323042420
64112350045
71023224111
oct241557615
987683832
1042393485
1121a25942
1212245325
138a24104
1458b7741
153ac6075
hex286df8d

42393485 has 16 divisors (see below), whose sum is σ = 54324864. Its totient is φ = 31682112.

The previous prime is 42393473. The next prime is 42393493. The reversal of 42393485 is 58439324.

It is a cyclic number.

It is not a de Polignac number, because 42393485 - 28 = 42393229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (3395304).

Almost surely, 242393485 is an apocalyptic number.

It is an amenable number.

42393485 is a deficient number, since it is larger than the sum of its proper divisors (11931379).

42393485 is a wasteful number, since it uses less digits than its factorization.

42393485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8644.

The product of its digits is 103680, while the sum is 38.

The square root of 42393485 is about 6511.0279526354. The cubic root of 42393485 is about 348.6848192913.

The spelling of 42393485 in words is "forty-two million, three hundred ninety-three thousand, four hundred eighty-five".

Divisors: 1 5 23 43 115 215 989 4945 8573 42865 197179 368639 985895 1843195 8478697 42393485