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133043450 = 2522660869
BaseRepresentation
bin1111110111000…
…01010011111010
3100021100022022012
413323201103322
5233024342300
621111325522
73203564531
oct773412372
9307308265
10133043450
1169110571
12386808a2
1321742b47
1413953318
15ba30435
hex7ee14fa

133043450 has 12 divisors (see below), whose sum is σ = 247460910. Its totient is φ = 53217360.

The previous prime is 133043423. The next prime is 133043459. The reversal of 133043450 is 54340331.

It can be written as a sum of positive squares in 3 ways, for example, as 128754409 + 4289041 = 11347^2 + 2071^2 .

It is not an unprimeable number, because it can be changed into a prime (133043459) 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 5 ways as a sum of consecutive naturals, for example, 1330385 + ... + 1330484.

Almost surely, 2133043450 is an apocalyptic number.

133043450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133043450 is a deficient number, since it is larger than the sum of its proper divisors (114417460).

133043450 is a wasteful number, since it uses less digits than its factorization.

133043450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660881 (or 2660876 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 133043450 is about 11534.4462372495. The cubic root of 133043450 is about 510.5024524052.

Adding to 133043450 its reverse (54340331), we get a palindrome (187383781).

The spelling of 133043450 in words is "one hundred thirty-three million, forty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2660869 5321738 13304345 26608690 66521725 133043450