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42711330 = 2351423711
BaseRepresentation
bin1010001011101…
…1100100100010
32222100221221010
42202323210202
541413230310
64123241350
71026016554
oct242734442
988327833
1042711330
1122122722
1212379256
138b0599c
14595b4d4
153b3a320
hex28bb922

42711330 has 16 divisors (see below), whose sum is σ = 102507264. Its totient is φ = 11389680.

The previous prime is 42711329. The next prime is 42711337. The reversal of 42711330 is 3311724.

It is a junction number, because it is equal to n+sod(n) for n = 42711297 and 42711306.

It is not an unprimeable number, because it can be changed into a prime (42711337) 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, 711826 + ... + 711885.

It is an arithmetic number, because the mean of its divisors is an integer number (6406704).

Almost surely, 242711330 is an apocalyptic number.

42711330 is an abundant number, since it is smaller than the sum of its proper divisors (59795934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42711330 is a wasteful number, since it uses less digits than its factorization.

42711330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423721.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 42711330 is about 6535.3905774636. The cubic root of 42711330 is about 349.5540715480.

The spelling of 42711330 in words is "forty-two million, seven hundred eleven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1423711 2847422 4271133 7118555 8542266 14237110 21355665 42711330