Search a number
-
+
133222450 = 2522664449
BaseRepresentation
bin1111111000011…
…01000000110010
3100021200101211211
413330031000302
5233101104300
621115230334
73205241434
oct774150062
9307611754
10133222450
1169222aa9
12387483aa
13217a646a
141399c654
15ba684ba
hex7f0d032

133222450 has 12 divisors (see below), whose sum is σ = 247793850. Its totient is φ = 53288960.

The previous prime is 133222447. The next prime is 133222451. The reversal of 133222450 is 54222331.

It can be written as a sum of positive squares in 3 ways, for example, as 98069409 + 35153041 = 9903^2 + 5929^2 .

It is not an unprimeable number, because it can be changed into a prime (133222451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332175 + ... + 1332274.

Almost surely, 2133222450 is an apocalyptic number.

133222450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133222450 is a deficient number, since it is larger than the sum of its proper divisors (114571400).

133222450 is a wasteful number, since it uses less digits than its factorization.

133222450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664461 (or 2664456 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 133222450 is about 11542.2029959623. The cubic root of 133222450 is about 510.7312974128.

Adding to 133222450 its reverse (54222331), we get a palindrome (187444781).

The spelling of 133222450 in words is "one hundred thirty-three million, two hundred twenty-two thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2664449 5328898 13322245 26644490 66611225 133222450