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1144421301 = 3381473767
BaseRepresentation
bin100010000110110…
…0111101110110101
32221202102121220010
41010031213232311
54320432440201
6305320530433
740234264152
oct10415475665
92852377803
101144421301
11537aa5731
1227b320a19
13153134a8a
14abdc3229
156a70cbd6
hex44367bb5

1144421301 has 4 divisors (see below), whose sum is σ = 1525895072. Its totient is φ = 762947532.

The previous prime is 1144421297. The next prime is 1144421303. The reversal of 1144421301 is 1031244411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1144421301 - 22 = 1144421297 is a prime.

It is a super-2 number, since 2×11444213012 = 2619400228365065202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144421303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190736881 + ... + 190736886.

It is an arithmetic number, because the mean of its divisors is an integer number (381473768).

Almost surely, 21144421301 is an apocalyptic number.

It is an amenable number.

1144421301 is a deficient number, since it is larger than the sum of its proper divisors (381473771).

1144421301 is an equidigital number, since it uses as much as digits as its factorization.

1144421301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381473770.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1144421301 is about 33829.2964898769. The cubic root of 1144421301 is about 1045.9926774467.

Adding to 1144421301 its reverse (1031244411), we get a palindrome (2175665712).

The spelling of 1144421301 in words is "one billion, one hundred forty-four million, four hundred twenty-one thousand, three hundred one".

Divisors: 1 3 381473767 1144421301