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42701305 = 553161137
BaseRepresentation
bin1010001011100…
…1000111111001
32222100110011211
42202321013321
541412420210
64123123121
71025645413
oct242710771
988313154
1042701305
1122116139
12123734a1
138b0125a
1459579b3
153b3738a
hex28b91f9

42701305 has 8 divisors (see below), whose sum is σ = 52208712. Its totient is φ = 33516288.

The previous prime is 42701237. The next prime is 42701357. The reversal of 42701305 is 50310724.

It can be written as a sum of positive squares in 4 ways, for example, as 18524416 + 24176889 = 4304^2 + 4917^2 .

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 42701305 - 215 = 42668537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80304 + ... + 80833.

It is an arithmetic number, because the mean of its divisors is an integer number (6526089).

Almost surely, 242701305 is an apocalyptic number.

It is an amenable number.

42701305 is a deficient number, since it is larger than the sum of its proper divisors (9507407).

42701305 is a wasteful number, since it uses less digits than its factorization.

42701305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161195.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 42701305 is about 6534.6235545745. The cubic root of 42701305 is about 349.5267208523.

The spelling of 42701305 in words is "forty-two million, seven hundred one thousand, three hundred five".

Divisors: 1 5 53 265 161137 805685 8540261 42701305