Search a number
-
+
42892925 = 521715717
BaseRepresentation
bin1010001110011…
…1111001111101
32222201012000212
42203213321331
541440033200
64131202205
71030404155
oct243477175
988635025
1042892925
11222370a9
1212446365
138b6a53a
1459a7765
153b74035
hex28e7e7d

42892925 has 6 divisors (see below), whose sum is σ = 53187258. Its totient is φ = 34314320.

The previous prime is 42892903. The next prime is 42892981. The reversal of 42892925 is 52929824.

It can be written as a sum of positive squares in 3 ways, for example, as 343396 + 42549529 = 586^2 + 6523^2 .

It is not a de Polignac number, because 42892925 - 220 = 41844349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 857834 + ... + 857883.

It is an arithmetic number, because the mean of its divisors is an integer number (8864543).

Almost surely, 242892925 is an apocalyptic number.

It is an amenable number.

42892925 is a deficient number, since it is larger than the sum of its proper divisors (10294333).

42892925 is a wasteful number, since it uses less digits than its factorization.

42892925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715727 (or 1715722 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 42892925 is about 6549.2690431834. The cubic root of 42892925 is about 350.0487687145.

The spelling of 42892925 in words is "forty-two million, eight hundred ninety-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 1715717 8578585 42892925