Search a number
-
+
133232230 = 2517783719
BaseRepresentation
bin1111111000011…
…11011001100110
3100021200220021001
413330033121212
5233101412410
621115343514
73205312105
oct774173146
9307626231
10133232230
116922a38a
1238751b9a
13217aaa51
14139a203c
15ba6b33a
hex7f0f666

133232230 has 16 divisors (see below), whose sum is σ = 253925280. Its totient is φ = 50157952.

The previous prime is 133232173. The next prime is 133232233. The reversal of 133232230 is 32232331.

It is a happy number.

It is a super-2 number, since 2×1332322302 = 35501654221545800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133232198 and 133232207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133232233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391690 + ... + 392029.

It is an arithmetic number, because the mean of its divisors is an integer number (15870330).

Almost surely, 2133232230 is an apocalyptic number.

133232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133232230 is a deficient number, since it is larger than the sum of its proper divisors (120693050).

133232230 is a wasteful number, since it uses less digits than its factorization.

133232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783743.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 133232230 is about 11542.6266508105. The cubic root of 133232230 is about 510.7437948806.

Adding to 133232230 its reverse (32232331), we get a palindrome (165464561).

The spelling of 133232230 in words is "one hundred thirty-three million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 783719 1567438 3918595 7837190 13323223 26646446 66616115 133232230