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42489586 = 2191118147
BaseRepresentation
bin1010001000010…
…1011011110010
32221221200202101
42202011123302
541334131321
64114411014
71024104226
oct242053362
987850671
1042489586
1121a91067
1212290a6a
138a58a89
145900786
153ae4791
hex28856f2

42489586 has 8 divisors (see below), whose sum is σ = 67088880. Its totient is φ = 20126628.

The previous prime is 42489583. The next prime is 42489607. The reversal of 42489586 is 68598424.

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

It is not an unprimeable number, because it can be changed into a prime (42489581) 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, 559036 + ... + 559111.

It is an arithmetic number, because the mean of its divisors is an integer number (8386110).

Almost surely, 242489586 is an apocalyptic number.

42489586 is a deficient number, since it is larger than the sum of its proper divisors (24599294).

42489586 is a wasteful number, since it uses less digits than its factorization.

42489586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118168.

The product of its digits is 552960, while the sum is 46.

The square root of 42489586 is about 6518.4036389288. The cubic root of 42489586 is about 348.9480961555.

The spelling of 42489586 in words is "forty-two million, four hundred eighty-nine thousand, five hundred eighty-six".

Divisors: 1 2 19 38 1118147 2236294 21244793 42489586