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42758395 = 567127637
BaseRepresentation
bin1010001100011…
…1000011111011
32222110100111021
42203013003323
541421232040
64124243311
71026304021
oct243070373
988410437
1042758395
1122155019
12123a0537
138b21234
145970711
153b4924a
hex28c70fb

42758395 has 8 divisors (see below), whose sum is σ = 52076304. Its totient is φ = 33695904.

The previous prime is 42758351. The next prime is 42758399. The reversal of 42758395 is 59385724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42758395 - 219 = 42234107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42758399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63484 + ... + 64153.

It is an arithmetic number, because the mean of its divisors is an integer number (6509538).

Almost surely, 242758395 is an apocalyptic number.

42758395 is a deficient number, since it is larger than the sum of its proper divisors (9317909).

42758395 is a wasteful number, since it uses less digits than its factorization.

42758395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127709.

The product of its digits is 302400, while the sum is 43.

The square root of 42758395 is about 6538.9903654922. The cubic root of 42758395 is about 349.6824194061.

The spelling of 42758395 in words is "forty-two million, seven hundred fifty-eight thousand, three hundred ninety-five".

Divisors: 1 5 67 335 127637 638185 8551679 42758395