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42479585 = 531726801
BaseRepresentation
bin1010001000001…
…0111111100001
32221221012000222
42202002333201
541333321320
64114252425
71024033121
oct242027741
987835028
1042479585
1121a845a5
1212287115
138a54365
1458dac81
153ae1825
hex2882fe1

42479585 has 8 divisors (see below), whose sum is σ = 51138216. Its totient is φ = 33875200.

The previous prime is 42479543. The next prime is 42479603. The reversal of 42479585 is 58597424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 42406144 = 271^2 + 6512^2 .

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

It is not a de Polignac number, because 42479585 - 28 = 42479329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11816 + ... + 14985.

It is an arithmetic number, because the mean of its divisors is an integer number (6392277).

Almost surely, 242479585 is an apocalyptic number.

It is an amenable number.

42479585 is a deficient number, since it is larger than the sum of its proper divisors (8658631).

42479585 is a wasteful number, since it uses less digits than its factorization.

42479585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27123.

The product of its digits is 403200, while the sum is 44.

The square root of 42479585 is about 6517.6364581035. The cubic root of 42479585 is about 348.9207160837.

The spelling of 42479585 in words is "forty-two million, four hundred seventy-nine thousand, five hundred eighty-five".

Divisors: 1 5 317 1585 26801 134005 8495917 42479585