Search a number
-
+
1442444741 = 37732112531
BaseRepresentation
bin101010111111001…
…1111010111000101
310201112012210012022
41111332133113011
510423231212431
6355044332525
750513402153
oct12576372705
93645183168
101442444741
1168024a0a1
123430a4145
1319cabccca
14d98003d3
158697b07b
hex55f9f5c5

1442444741 has 16 divisors (see below), whose sum is σ = 1509436608. Its totient is φ = 1377129600.

The previous prime is 1442444737. The next prime is 1442444749. The reversal of 1442444741 is 1474442441.

It is a cyclic number.

It is not a de Polignac number, because 1442444741 - 22 = 1442444737 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442444749) 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, 568646 + ... + 571176.

It is an arithmetic number, because the mean of its divisors is an integer number (94339788).

Almost surely, 21442444741 is an apocalyptic number.

It is an amenable number.

1442444741 is a deficient number, since it is larger than the sum of its proper divisors (66991867).

1442444741 is a wasteful number, since it uses less digits than its factorization.

1442444741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its digits is 57344, while the sum is 35.

The square root of 1442444741 is about 37979.5305526543. The cubic root of 1442444741 is about 1129.8819259509.

The spelling of 1442444741 in words is "one billion, four hundred forty-two million, four hundred forty-four thousand, seven hundred forty-one".

Divisors: 1 37 73 211 2531 2701 7807 15403 93647 184763 534041 569911 6836231 19759517 38984993 1442444741