Search a number
-
+
42127863 = 314042621
BaseRepresentation
bin1010000010110…
…1000111110111
32221021022120020
42200231013313
541241042423
64102540223
71021036521
oct240550767
987238506
1042127863
1121864318
1212137673
13896023b
145848a11
153a724e3
hex282d1f7

42127863 has 4 divisors (see below), whose sum is σ = 56170488. Its totient is φ = 28085240.

The previous prime is 42127861. The next prime is 42127871. The reversal of 42127863 is 36872124.

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

It is a cyclic number.

It is not a de Polignac number, because 42127863 - 21 = 42127861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42127861) 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, 7021308 + ... + 7021313.

It is an arithmetic number, because the mean of its divisors is an integer number (14042622).

Almost surely, 242127863 is an apocalyptic number.

42127863 is a deficient number, since it is larger than the sum of its proper divisors (14042625).

42127863 is a wasteful number, since it uses less digits than its factorization.

42127863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14042624.

The product of its digits is 16128, while the sum is 33.

The square root of 42127863 is about 6490.5980464053. The cubic root of 42127863 is about 347.9550493532.

Adding to 42127863 its reverse (36872124), we get a palindrome (78999987).

The spelling of 42127863 in words is "forty-two million, one hundred twenty-seven thousand, eight hundred sixty-three".

Divisors: 1 3 14042621 42127863