Search a number
-
+
1442486330 = 25144248633
BaseRepresentation
bin101010111111010…
…1001100000111010
310201112021220020122
41111332221200322
510423234030310
6355045253242
750513634335
oct12576514072
93645256218
101442486330
1168027836a
12343104222
1319cb05c0c
14d981161c
1586988555
hex55fa983a

1442486330 has 8 divisors (see below), whose sum is σ = 2596475412. Its totient is φ = 576994528.

The previous prime is 1442486273. The next prime is 1442486341. The reversal of 1442486330 is 336842441.

It can be written as a sum of positive squares in 2 ways, for example, as 1374407329 + 68079001 = 37073^2 + 8251^2 .

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

It is an unprimeable number.

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, 72124307 + ... + 72124326.

Almost surely, 21442486330 is an apocalyptic number.

1442486330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442486330 is a deficient number, since it is larger than the sum of its proper divisors (1153989082).

1442486330 is a wasteful number, since it uses less digits than its factorization.

1442486330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144248640.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 1442486330 is about 37980.0780673237. The cubic root of 1442486330 is about 1129.8927848782.

The spelling of 1442486330 in words is "one billion, four hundred forty-two million, four hundred eighty-six thousand, three hundred thirty".

Divisors: 1 2 5 10 144248633 288497266 721243165 1442486330