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42758832 = 243890809
BaseRepresentation
bin1010001100011…
…1001010110000
32222110101002110
42203013022300
541421240312
64124245320
71026305214
oct243071260
988411073
1042758832
1122155386
12123a0840
138b214ac
145970944
153b4943c
hex28c72b0

42758832 has 20 divisors (see below), whose sum is σ = 110460440. Its totient is φ = 14252928.

The previous prime is 42758819. The next prime is 42758839. The reversal of 42758832 is 23885724.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42758839) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 445357 + ... + 445452.

It is an arithmetic number, because the mean of its divisors is an integer number (5523022).

Almost surely, 242758832 is an apocalyptic number.

It is an amenable number.

42758832 is an abundant number, since it is smaller than the sum of its proper divisors (67701608).

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

42758832 is a wasteful number, since it uses less digits than its factorization.

42758832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890820 (or 890814 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 42758832 is about 6539.0237803513. The cubic root of 42758832 is about 349.6836106785.

The spelling of 42758832 in words is "forty-two million, seven hundred fifty-eight thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 890809 1781618 2672427 3563236 5344854 7126472 10689708 14252944 21379416 42758832