Search a number
-
+
1442525133 = 37611126093
BaseRepresentation
bin101010111111011…
…0010111111001101
310201112100212110210
41111332302333031
510423241301013
6355050153033
750514155430
oct12576627715
93645325423
101442525133
116802a4535
12343122779
1319cb1a78a
14d9821817
1586994cc3
hex55fb2fcd

1442525133 has 16 divisors (see below), whose sum is σ = 2234170496. Its totient is φ = 810786240.

The previous prime is 1442525131. The next prime is 1442525137. The reversal of 1442525133 is 3315252441.

It is not a de Polignac number, because 1442525133 - 21 = 1442525131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442525133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442525131) 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, 561766 + ... + 564327.

It is an arithmetic number, because the mean of its divisors is an integer number (139635656).

Almost surely, 21442525133 is an apocalyptic number.

It is an amenable number.

1442525133 is a deficient number, since it is larger than the sum of its proper divisors (791645363).

1442525133 is a wasteful number, since it uses less digits than its factorization.

1442525133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126164.

The product of its digits is 14400, while the sum is 30.

The square root of 1442525133 is about 37980.5888974881. The cubic root of 1442525133 is about 1129.9029161901.

Adding to 1442525133 its reverse (3315252441), we get a palindrome (4757777574).

The spelling of 1442525133 in words is "one billion, four hundred forty-two million, five hundred twenty-five thousand, one hundred thirty-three".

Divisors: 1 3 7 21 61 183 427 1281 1126093 3378279 7882651 23647953 68691673 206075019 480841711 1442525133