Search a number
-
+
152243236 = 2238060809
BaseRepresentation
bin10010001001100…
…00110000100100
3101121110202110101
421010300300210
5302433240421
623035033444
73526021555
oct1104606044
9347422411
10152243236
1178a34662
1242b9b884
1325705c72
141631032c
15d574191
hex9130c24

152243236 has 6 divisors (see below), whose sum is σ = 266425670. Its totient is φ = 76121616.

The previous prime is 152243213. The next prime is 152243237. The reversal of 152243236 is 632342251.

It can be written as a sum of positive squares in only one way, i.e., 139240000 + 13003236 = 11800^2 + 3606^2 .

It is not an unprimeable number, because it can be changed into a prime (152243237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19030401 + ... + 19030408.

Almost surely, 2152243236 is an apocalyptic number.

It is an amenable number.

152243236 is a deficient number, since it is larger than the sum of its proper divisors (114182434).

152243236 is a wasteful number, since it uses less digits than its factorization.

152243236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38060813 (or 38060811 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 152243236 is about 12338.6885850969. The cubic root of 152243236 is about 533.9648496737.

Adding to 152243236 its reverse (632342251), we get a palindrome (784585487).

The spelling of 152243236 in words is "one hundred fifty-two million, two hundred forty-three thousand, two hundred thirty-six".

Divisors: 1 2 4 38060809 76121618 152243236