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42767225 = 521710689
BaseRepresentation
bin1010001100100…
…1001101111001
32222110210121022
42203021031321
541422022400
64124352225
71026341534
oct243111571
988423538
1042767225
1122160716
12123a5675
138b25267
145973a1b
153b4bb85
hex28c9379

42767225 has 6 divisors (see below), whose sum is σ = 53031390. Its totient is φ = 34213760.

The previous prime is 42767213. The next prime is 42767261. The reversal of 42767225 is 52276724.

42767225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 295936 + 42471289 = 544^2 + 6517^2 .

It is not a de Polignac number, because 42767225 - 224 = 25990009 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 855320 + ... + 855369.

It is an arithmetic number, because the mean of its divisors is an integer number (8838565).

Almost surely, 242767225 is an apocalyptic number.

It is an amenable number.

42767225 is a deficient number, since it is larger than the sum of its proper divisors (10264165).

42767225 is a wasteful number, since it uses less digits than its factorization.

42767225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710699 (or 1710694 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 42767225 is about 6539.6655113240. The cubic root of 42767225 is about 349.7064886229.

The spelling of 42767225 in words is "forty-two million, seven hundred sixty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 1710689 8553445 42767225