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42657325 = 521706293
BaseRepresentation
bin1010001010111…
…0011000101101
32222021012211221
42202232120231
541410013300
64122143341
71025403244
oct242563055
988235757
1042657325
1122096097
1212351b51
138ab7229
14594595b
153b2931a
hex28ae62d

42657325 has 6 divisors (see below), whose sum is σ = 52895114. Its totient is φ = 34125840.

The previous prime is 42657323. The next prime is 42657379. The reversal of 42657325 is 52375624.

42657325 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 3364 + 42653961 = 58^2 + 6531^2 .

It is not a de Polignac number, because 42657325 - 21 = 42657323 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 (42657323) 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 5 ways as a sum of consecutive naturals, for example, 853122 + ... + 853171.

Almost surely, 242657325 is an apocalyptic number.

It is an amenable number.

42657325 is a deficient number, since it is larger than the sum of its proper divisors (10237789).

42657325 is a wasteful number, since it uses less digits than its factorization.

42657325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706303 (or 1706298 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 42657325 is about 6531.2575358808. The cubic root of 42657325 is about 349.4066818534.

The spelling of 42657325 in words is "forty-two million, six hundred fifty-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 1706293 8531465 42657325