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42711305 = 571393871
BaseRepresentation
bin1010001011101…
…1100100001001
32222100221220012
42202323210021
541413230210
64123241305
71026016520
oct242734411
988327805
1042711305
11221226aa
1212379235
138b05980
14595b4b7
153b3a305
hex28bb909

42711305 has 16 divisors (see below), whose sum is σ = 63081984. Its totient is φ = 27034560.

The previous prime is 42711301. The next prime is 42711311. The reversal of 42711305 is 50311724.

It is not a de Polignac number, because 42711305 - 22 = 42711301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42711301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46481 + ... + 47390.

It is an arithmetic number, because the mean of its divisors is an integer number (3942624).

Almost surely, 242711305 is an apocalyptic number.

It is an amenable number.

42711305 is a deficient number, since it is larger than the sum of its proper divisors (20370679).

42711305 is a wasteful number, since it uses less digits than its factorization.

42711305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93896.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 42711305 is about 6535.3886648003. The cubic root of 42711305 is about 349.5540033471.

The spelling of 42711305 in words is "forty-two million, seven hundred eleven thousand, three hundred five".

Divisors: 1 5 7 13 35 65 91 455 93871 469355 657097 1220323 3285485 6101615 8542261 42711305