Search a number
-
+
1232002142 = 271912973571
BaseRepresentation
bin100100101101110…
…1101110001011110
310011212020012012222
41021123231301132
510010343032032
6322130025342
742346562660
oct11133556136
93155205188
101232002142
11582484498
122a4718252
1316831a867
14b98a0530
157325ca12
hex496edc5e

1232002142 has 32 divisors (see below), whose sum is σ = 2225498880. Its totient is φ = 499685760.

The previous prime is 1232002129. The next prime is 1232002171. The reversal of 1232002142 is 2412002321.

It is a self number, because there is not a number n which added to its sum of digits gives 1232002142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343217 + ... + 346787.

It is an arithmetic number, because the mean of its divisors is an integer number (69546840).

Almost surely, 21232002142 is an apocalyptic number.

1232002142 is a deficient number, since it is larger than the sum of its proper divisors (993496738).

1232002142 is a wasteful number, since it uses less digits than its factorization.

1232002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1232002142 is about 35099.8880624996. Note that the first 3 decimals coincide. The cubic root of 1232002142 is about 1072.0223034780.

Adding to 1232002142 its reverse (2412002321), we get a palindrome (3644004463).

The spelling of 1232002142 in words is "one billion, two hundred thirty-two million, two thousand, one hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 1297 2594 3571 7142 9079 18158 24643 24997 49286 49994 67849 135698 172501 345002 474943 949886 4631587 9263174 32421109 64842218 88000153 176000306 616001071 1232002142