Search a number
-
+
42427168 = 257189407
BaseRepresentation
bin1010000111011…
…0001100100000
32221211112010121
42201312030200
541330132133
64113210024
71023424240
oct241661440
987745117
1042427168
1121a49183
1212260914
138a36544
1458c5b20
153ad102d
hex2876320

42427168 has 24 divisors (see below), whose sum is σ = 95461632. Its totient is φ = 18182976.

The previous prime is 42427163. The next prime is 42427183. The reversal of 42427168 is 86172424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42427163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94480 + ... + 94927.

It is an arithmetic number, because the mean of its divisors is an integer number (3977568).

Almost surely, 242427168 is an apocalyptic number.

It is an amenable number.

42427168 is an abundant number, since it is smaller than the sum of its proper divisors (53034464).

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

42427168 is a wasteful number, since it uses less digits than its factorization.

42427168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189424 (or 189416 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 42427168 is about 6513.6140505867. The cubic root of 42427168 is about 348.7771419805. Note that the first 3 decimals are identical.

The spelling of 42427168 in words is "forty-two million, four hundred twenty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 189407 378814 757628 1325849 1515256 2651698 3030512 5303396 6061024 10606792 21213584 42427168