Search a number
-
+
42224141 = 173767129
BaseRepresentation
bin1010000100010…
…0101000001101
32221110012122002
42201010220031
541302133031
64105002045
71021620311
oct241045015
987405562
1042224141
112191a693
1212183325
138994ccb
145871b41
153a90ccb
hex2844a0d

42224141 has 8 divisors (see below), whose sum is σ = 45916920. Its totient is φ = 38665728.

The previous prime is 42224111. The next prime is 42224167. The reversal of 42224141 is 14142224.

It can be written as a sum of positive squares in 4 ways, for example, as 24542116 + 17682025 = 4954^2 + 4205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42224141 - 210 = 42223117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32936 + ... + 34193.

It is an arithmetic number, because the mean of its divisors is an integer number (5739615).

Almost surely, 242224141 is an apocalyptic number.

It is an amenable number.

42224141 is a deficient number, since it is larger than the sum of its proper divisors (3692779).

42224141 is a wasteful number, since it uses less digits than its factorization.

42224141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67183.

The product of its digits is 512, while the sum is 20.

The square root of 42224141 is about 6498.0105416966. The cubic root of 42224141 is about 348.2199170351.

Adding to 42224141 its reverse (14142224), we get a palindrome (56366365).

The spelling of 42224141 in words is "forty-two million, two hundred twenty-four thousand, one hundred forty-one".

Divisors: 1 17 37 629 67129 1141193 2483773 42224141