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42263732 = 22711711289
BaseRepresentation
bin1010000100111…
…0010010110100
32221112012221102
42201032102310
541304414412
64105505232
71022143610
oct241162264
987465842
1042263732
1121947405
12121a2218
1389aa034
145882340
153a9c8c2
hex284e4b4

42263732 has 24 divisors (see below), whose sum is σ = 84665280. Its totient is φ = 18083520.

The previous prime is 42263729. The next prime is 42263761. The reversal of 42263732 is 23736224.

It is a super-3 number, since 3×422637323 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42263695 and 42263704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32144 + ... + 33432.

It is an arithmetic number, because the mean of its divisors is an integer number (3527720).

Almost surely, 242263732 is an apocalyptic number.

It is an amenable number.

42263732 is an abundant number, since it is smaller than the sum of its proper divisors (42401548).

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

42263732 is a wasteful number, since it uses less digits than its factorization.

42263732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2469 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 42263732 is about 6501.0562218766. The cubic root of 42263732 is about 348.3287178915.

Adding to 42263732 its reverse (23736224), we get a palindrome (65999956).

The spelling of 42263732 in words is "forty-two million, two hundred sixty-three thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 14 28 1171 1289 2342 2578 4684 5156 8197 9023 16394 18046 32788 36092 1509419 3018838 6037676 10565933 21131866 42263732