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42433340 = 2252121667
BaseRepresentation
bin1010000111011…
…1101100111100
32221211211121012
42201313230330
541330331330
64113254352
71023451235
oct241675474
987754535
1042433340
1121a52884
12122643b8
138a392b1
1458c808c
153ad2c95
hex2877b3c

42433340 has 12 divisors (see below), whose sum is σ = 89110056. Its totient is φ = 16973328.

The previous prime is 42433333. The next prime is 42433357. The reversal of 42433340 is 4333424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060814 + ... + 1060853.

It is an arithmetic number, because the mean of its divisors is an integer number (7425838).

Almost surely, 242433340 is an apocalyptic number.

It is an amenable number.

42433340 is an abundant number, since it is smaller than the sum of its proper divisors (46676716).

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

42433340 is a wasteful number, since it uses less digits than its factorization.

42433340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121676 (or 2121674 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 42433340 is about 6514.0878102770. The cubic root of 42433340 is about 348.7940536925.

Adding to 42433340 its reverse (4333424), we get a palindrome (46766764).

The spelling of 42433340 in words is "forty-two million, four hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 2121667 4243334 8486668 10608335 21216670 42433340