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133051225 = 5231171679
BaseRepresentation
bin1111110111000…
…11001101011001
3100021100200222011
413323203031121
5233030114400
621111425521
73203626306
oct773431531
9307320864
10133051225
116911639a
12386852a1
1321746548
14139560ad
15ba328ba
hex7ee3359

133051225 has 12 divisors (see below), whose sum is σ = 170306560. Its totient is φ = 103006800.

The previous prime is 133051211. The next prime is 133051229. The reversal of 133051225 is 522150331.

It is not a de Polignac number, because 133051225 - 27 = 133051097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133051196 and 133051205.

It is not an unprimeable number, because it can be changed into a prime (133051229) 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 11 ways as a sum of consecutive naturals, for example, 85065 + ... + 86614.

Almost surely, 2133051225 is an apocalyptic number.

It is an amenable number.

133051225 is a deficient number, since it is larger than the sum of its proper divisors (37255335).

133051225 is a wasteful number, since it uses less digits than its factorization.

133051225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171720 (or 171715 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133051225 is about 11534.7832662777. The cubic root of 133051225 is about 510.5123967235.

The spelling of 133051225 in words is "one hundred thirty-three million, fifty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 31 155 775 171679 858395 4291975 5322049 26610245 133051225