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42711030 = 2335158189
BaseRepresentation
bin1010001011101…
…1011111110110
32222100221112000
42202323133312
541413223110
64123240130
71026015645
oct242733766
988327460
1042711030
112212247a
1212379046
138b057cb
14595b35c
153b3a1c0
hex28bb7f6

42711030 has 32 divisors (see below), whose sum is σ = 113896800. Its totient is φ = 11389536.

The previous prime is 42711001. The next prime is 42711047. The reversal of 42711030 is 3011724.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42710994 and 42711012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78825 + ... + 79364.

It is an arithmetic number, because the mean of its divisors is an integer number (3559275).

Almost surely, 242711030 is an apocalyptic number.

42711030 is an abundant number, since it is smaller than the sum of its proper divisors (71185770).

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

42711030 is a wasteful number, since it uses less digits than its factorization.

42711030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158205 (or 158199 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 42711030 is about 6535.3676254668. The cubic root of 42711030 is about 349.5532531354.

Adding to 42711030 its reverse (3011724), we get a palindrome (45722754).

The spelling of 42711030 in words is "forty-two million, seven hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 158189 316378 474567 790945 949134 1423701 1581890 2372835 2847402 4271103 4745670 7118505 8542206 14237010 21355515 42711030