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42560087 = 1012831489
BaseRepresentation
bin1010001001011…
…0101001010111
32222002021110112
42202112221113
541343410322
64120113235
71024516613
oct242265127
988067415
1042560087
112202a029
121230581b
138a81bab
14591c343
153b0a5e2
hex2896a57

42560087 has 8 divisors (see below), whose sum is σ = 43162320. Its totient is φ = 41961600.

The previous prime is 42560083. The next prime is 42560099. The reversal of 42560087 is 78006524.

42560087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42560087 - 22 = 42560083 is a prime.

It is a super-2 number, since 2×425600872 = 3622722010895138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42560083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27839 + ... + 29327.

It is an arithmetic number, because the mean of its divisors is an integer number (5395290).

Almost surely, 242560087 is an apocalyptic number.

42560087 is a deficient number, since it is larger than the sum of its proper divisors (602233).

42560087 is a wasteful number, since it uses less digits than its factorization.

42560087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 42560087 is about 6523.8092400069. The cubic root of 42560087 is about 349.1409873086.

The spelling of 42560087 in words is "forty-two million, five hundred sixty thousand, eighty-seven".

Divisors: 1 101 283 1489 28583 150389 421387 42560087