Search a number
-
+
1442430232 = 23180303779
BaseRepresentation
bin101010111111001…
…1011110100011000
310201112012001021221
41111332123310120
510423230231412
6355044141424
750513311645
oct12576336430
93645161257
101442430232
1168023a201
12343097874
1319cab6519
14d97d8dcc
1586976b07
hex55f9bd18

1442430232 has 8 divisors (see below), whose sum is σ = 2704556700. Its totient is φ = 721215112.

The previous prime is 1442430181. The next prime is 1442430251. The reversal of 1442430232 is 2320342441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1442430197 and 1442430206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90151882 + ... + 90151897.

Almost surely, 21442430232 is an apocalyptic number.

It is an amenable number.

1442430232 is a deficient number, since it is larger than the sum of its proper divisors (1262126468).

1442430232 is a wasteful number, since it uses less digits than its factorization.

1442430232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180303785 (or 180303781 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1442430232 is about 37979.3395413875. The cubic root of 1442430232 is about 1129.8781375881.

Adding to 1442430232 its reverse (2320342441), we get a palindrome (3762772673).

The spelling of 1442430232 in words is "one billion, four hundred forty-two million, four hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 180303779 360607558 721215116 1442430232