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42485593 = 311370503
BaseRepresentation
bin1010001000010…
…0011101011001
32221221111021111
42202010131121
541334014333
64114340321
71024056463
oct242043531
987844244
1042485593
1121a89067
121228a6a1
138a57007
1458dd133
153ae34cd
hex2884759

42485593 has 4 divisors (see below), whose sum is σ = 43856128. Its totient is φ = 41115060.

The previous prime is 42485581. The next prime is 42485617. The reversal of 42485593 is 39558424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42485593 - 25 = 42485561 is a prime.

It is a super-2 number, since 2×424855932 = 3610051225123298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42485563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685221 + ... + 685282.

It is an arithmetic number, because the mean of its divisors is an integer number (10964032).

Almost surely, 242485593 is an apocalyptic number.

It is an amenable number.

42485593 is a deficient number, since it is larger than the sum of its proper divisors (1370535).

42485593 is a wasteful number, since it uses less digits than its factorization.

42485593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370534.

The product of its digits is 172800, while the sum is 40.

The square root of 42485593 is about 6518.0973450847. The cubic root of 42485593 is about 348.9371649013.

The spelling of 42485593 in words is "forty-two million, four hundred eighty-five thousand, five hundred ninety-three".

Divisors: 1 31 1370503 42485593