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42576887 = 238872087
BaseRepresentation
bin1010001001101…
…0101111110111
32222010010111202
42202122233313
541344430022
64120323115
71024616603
oct242325767
988103452
1042576887
1122040711
121231349b
138a89732
145924503
153b10592
hex289abf7

42576887 has 8 divisors (see below), whose sum is σ = 44499456. Its totient is φ = 40660312.

The previous prime is 42576883. The next prime is 42576893. The reversal of 42576887 is 78867524.

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 42576887 - 22 = 42576883 is a prime.

It is a super-2 number, since 2×425768872 = 3625582613221538, 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 (42576881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19358 + ... + 21444.

It is an arithmetic number, because the mean of its divisors is an integer number (5562432).

Almost surely, 242576887 is an apocalyptic number.

42576887 is a deficient number, since it is larger than the sum of its proper divisors (1922569).

42576887 is a wasteful number, since it uses less digits than its factorization.

42576887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997.

The product of its digits is 752640, while the sum is 47.

The square root of 42576887 is about 6525.0967042642. The cubic root of 42576887 is about 349.1869207750.

The spelling of 42576887 in words is "forty-two million, five hundred seventy-six thousand, eight hundred eighty-seven".

Divisors: 1 23 887 2087 20401 48001 1851169 42576887