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1442552441 = 1134612351
BaseRepresentation
bin101010111111011…
…1001101001111001
310201112102020221012
41111332321221321
510423243134231
6355050523305
750514331151
oct12576715171
93645366835
101442552441
11680313000
12343136535
1319cb2a035
14d982b761
158699ce2b
hex55fb9a79

1442552441 has 16 divisors (see below), whose sum is σ = 1590817536. Its totient is φ = 1308010000.

The previous prime is 1442552437. The next prime is 1442552467.

1442552441 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1442552441 - 22 = 1442552437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442552398 and 1442552407.

It is not an unprimeable number, because it can be changed into a prime (1442552401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612416 + ... + 614766.

It is an arithmetic number, because the mean of its divisors is an integer number (99426096).

Almost surely, 21442552441 is an apocalyptic number.

1442552441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442552441 is a deficient number, since it is larger than the sum of its proper divisors (148265095).

1442552441 is an equidigital number, since it uses as much as digits as its factorization.

1442552441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2823 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 1442552441 is about 37980.9483952152. The cubic root of 1442552441 is about 1129.9100460934.

It can be divided in two parts, 14425 and 52441, that added together give a palindrome (66866).

The spelling of 1442552441 in words is "one billion, four hundred forty-two million, five hundred fifty-two thousand, four hundred forty-one".

Divisors: 1 11 121 461 1331 2351 5071 25861 55781 284471 613591 1083811 3129181 11921921 131141131 1442552441