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133425055 = 5181379389
BaseRepresentation
bin1111111001111…
…10011110011111
3100022001200202201
413330332132133
5233124100210
621123432331
73210044221
oct774763637
9308050681
10133425055
1169351245
12388256a7
132184774a
1413a12411
15baa853a
hex7f3e79f

133425055 has 16 divisors (see below), whose sum is σ = 161834400. Its totient is φ = 105598080.

The previous prime is 133425031. The next prime is 133425059. The reversal of 133425055 is 550524331.

It is not a de Polignac number, because 133425055 - 27 = 133424927 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133425059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342801 + ... + 343189.

It is an arithmetic number, because the mean of its divisors is an integer number (10114650).

Almost surely, 2133425055 is an apocalyptic number.

133425055 is a deficient number, since it is larger than the sum of its proper divisors (28409345).

133425055 is a wasteful number, since it uses less digits than its factorization.

133425055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 133425055 is about 11550.9763656584. The cubic root of 133425055 is about 510.9900733746.

Adding to 133425055 its reverse (550524331), we get a palindrome (683949386).

The spelling of 133425055 in words is "one hundred thirty-three million, four hundred twenty-five thousand, fifty-five".

Divisors: 1 5 181 379 389 905 1895 1945 68599 70409 147431 342995 352045 737155 26685011 133425055