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42892775 = 521715711
BaseRepresentation
bin1010001110011…
…1110111100111
32222201011211022
42203213313213
541440032100
64131201355
71030403552
oct243476747
988634738
1042892775
1122236a82
121244625b
138b6a453
1459a7699
153b73e85
hex28e7de7

42892775 has 6 divisors (see below), whose sum is σ = 53187072. Its totient is φ = 34314200.

The previous prime is 42892771. The next prime is 42892777. The reversal of 42892775 is 57729824.

It is not a de Polignac number, because 42892775 - 22 = 42892771 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 (42892771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 857831 + ... + 857880.

It is an arithmetic number, because the mean of its divisors is an integer number (8864512).

Almost surely, 242892775 is an apocalyptic number.

42892775 is a deficient number, since it is larger than the sum of its proper divisors (10294297).

42892775 is a wasteful number, since it uses less digits than its factorization.

42892775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715721 (or 1715716 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 42892775 is about 6549.2575915137. The cubic root of 42892775 is about 350.0483606645.

The spelling of 42892775 in words is "forty-two million, eight hundred ninety-two thousand, seven hundred seventy-five".

Divisors: 1 5 25 1715711 8578555 42892775