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42320758 = 221160379
BaseRepresentation
bin1010000101110…
…0001101110110
32221122010011111
42201130031312
541313231013
64111025234
71022502064
oct241341566
987563144
1042320758
1121986237
121220b21a
1389c9c8c
145899034
153aae73d
hex285c376

42320758 has 4 divisors (see below), whose sum is σ = 63481140. Its totient is φ = 21160378.

The previous prime is 42320753. The next prime is 42320767. The reversal of 42320758 is 85702324.

42320758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10580188 + ... + 10580191.

It is an arithmetic number, because the mean of its divisors is an integer number (15870285).

Almost surely, 242320758 is an apocalyptic number.

42320758 is a deficient number, since it is larger than the sum of its proper divisors (21160382).

42320758 is a wasteful number, since it uses less digits than its factorization.

42320758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21160381.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 42320758 is about 6505.4406461054. The cubic root of 42320758 is about 348.4853128822.

The spelling of 42320758 in words is "forty-two million, three hundred twenty thousand, seven hundred fifty-eight".

Divisors: 1 2 21160379 42320758