Search a number
-
+
42027388 = 22137691051
BaseRepresentation
bin1010000001010…
…0100101111100
32221002012201221
42200110211330
541224334023
64100443124
71020140554
oct240244574
987065657
1042027388
11217a5887
12120a94a4
1389265a0
145820164
153a5285d
hex281497c

42027388 has 24 divisors (see below), whose sum is σ = 79383920. Its totient is φ = 19353600.

The previous prime is 42027361. The next prime is 42027397. The reversal of 42027388 is 88372024.

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, 39463 + ... + 40513.

Almost surely, 242027388 is an apocalyptic number.

It is an amenable number.

42027388 is a deficient number, since it is larger than the sum of its proper divisors (37356532).

42027388 is a wasteful number, since it uses less digits than its factorization.

42027388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1835 counting only the distinct ones).

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

The square root of 42027388 is about 6482.8533841203. The cubic root of 42027388 is about 347.6782047520.

The spelling of 42027388 in words is "forty-two million, twenty-seven thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 26 52 769 1051 1538 2102 3076 4204 9997 13663 19994 27326 39988 54652 808219 1616438 3232876 10506847 21013694 42027388