Search a number
-
+
1442623452 = 223472557843
BaseRepresentation
bin101010111111100…
…1010111111011100
310201112112212100020
41111333022333130
510423302422302
6355052232140
750515045164
oct12577127734
93645485306
101442623452
11680361396
1234316b650
1319cb5345a
14d98495a4
15869b3ebc
hex55fcafdc

1442623452 has 24 divisors (see below), whose sum is σ = 3437742336. Its totient is φ = 470642928.

The previous prime is 1442623433. The next prime is 1442623453. The reversal of 1442623452 is 2543262441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442623453) 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, 1278358 + ... + 1279485.

It is an arithmetic number, because the mean of its divisors is an integer number (143239264).

Almost surely, 21442623452 is an apocalyptic number.

1442623452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1442623452 is an abundant number, since it is smaller than the sum of its proper divisors (1995118884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442623452 is a wasteful number, since it uses less digits than its factorization.

1442623452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557897 (or 2557895 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 1442623452 is about 37981.8832076557. The cubic root of 1442623452 is about 1129.9285860839.

Adding to 1442623452 its reverse (2543262441), we get a palindrome (3985885893).

The spelling of 1442623452 in words is "one billion, four hundred forty-two million, six hundred twenty-three thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 2557843 5115686 7673529 10231372 15347058 30694116 120218621 240437242 360655863 480874484 721311726 1442623452