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133334525 = 5219727073
BaseRepresentation
bin1111111001010…
…00010111111101
3100021220002120202
413330220113331
5233113201100
621121453245
73206216252
oct774502775
9307802522
10133334525
116929a225
12387a1225
132181548c
14139cb429
15ba8b7d5
hex7f285fd

133334525 has 12 divisors (see below), whose sum is σ = 166180212. Its totient is φ = 106122240.

The previous prime is 133334491. The next prime is 133334543. The reversal of 133334525 is 525433331.

It can be written as a sum of positive squares in 6 ways, for example, as 4239481 + 129095044 = 2059^2 + 11362^2 .

It is a de Polignac number, because none of the positive numbers 2k-133334525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8612 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (13848351).

Almost surely, 2133334525 is an apocalyptic number.

It is an amenable number.

133334525 is a deficient number, since it is larger than the sum of its proper divisors (32845687).

133334525 is a wasteful number, since it uses less digits than its factorization.

133334525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27280 (or 27275 counting only the distinct ones).

The product of its digits is 16200, while the sum is 29.

The square root of 133334525 is about 11547.0569843575. The cubic root of 133334525 is about 510.8744769002.

Adding to 133334525 its reverse (525433331), we get a palindrome (658767856).

The spelling of 133334525 in words is "one hundred thirty-three million, three hundred thirty-four thousand, five hundred twenty-five".

Divisors: 1 5 25 197 985 4925 27073 135365 676825 5333381 26666905 133334525