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42975527 = 753115837
BaseRepresentation
bin1010001111110…
…0000100100111
32222212101100012
42203330010213
542000204102
64133040435
71031200040
oct243740447
988771305
1042975527
1122293171
121248611b
138b9900a
1459c98c7
153b8d752
hex28fc127

42975527 has 8 divisors (see below), whose sum is σ = 50042016. Its totient is φ = 36140832.

The previous prime is 42975521. The next prime is 42975529. The reversal of 42975527 is 72557924.

42975527 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 not a de Polignac number, because 42975527 - 28 = 42975271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42975521) 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, 57548 + ... + 58289.

It is an arithmetic number, because the mean of its divisors is an integer number (6255252).

Almost surely, 242975527 is an apocalyptic number.

42975527 is a deficient number, since it is larger than the sum of its proper divisors (7066489).

42975527 is a wasteful number, since it uses less digits than its factorization.

42975527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115897.

The product of its digits is 176400, while the sum is 41.

The square root of 42975527 is about 6555.5722099600. The cubic root of 42975527 is about 350.2733293475.

The spelling of 42975527 in words is "forty-two million, nine hundred seventy-five thousand, five hundred twenty-seven".

Divisors: 1 7 53 371 115837 810859 6139361 42975527