Search a number
-
+
1443442323 = 33631132511
BaseRepresentation
bin101011000001001…
…0010111010010011
310201121002110121210
41112002102322103
510424010123243
6355121551203
750525025441
oct12602227223
93647073553
101443442323
11680870644
123434a5503
131a007c0ab
14d99bdb91
1586ac6933
hex56092e93

1443442323 has 8 divisors (see below), whose sum is σ = 1925134336. Its totient is φ = 962022600.

The previous prime is 1443442313. The next prime is 1443442339. The reversal of 1443442323 is 3232443441.

It is a happy number.

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

It is not a de Polignac number, because 1443442323 - 214 = 1443425939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443442313) 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, 55363 + ... + 77148.

It is an arithmetic number, because the mean of its divisors is an integer number (240641792).

Almost surely, 21443442323 is an apocalyptic number.

1443442323 is a deficient number, since it is larger than the sum of its proper divisors (481692013).

1443442323 is a wasteful number, since it uses less digits than its factorization.

1443442323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136145.

The product of its digits is 27648, while the sum is 30.

The square root of 1443442323 is about 37992.6614361247. The cubic root of 1443442323 is about 1130.1423380362.

Adding to 1443442323 its reverse (3232443441), we get a palindrome (4675885764).

The spelling of 1443442323 in words is "one billion, four hundred forty-three million, four hundred forty-two thousand, three hundred twenty-three".

Divisors: 1 3 3631 10893 132511 397533 481147441 1443442323