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133025212 = 2237898819
BaseRepresentation
bin1111110110111…
…00110110111100
3100021022101021201
413323130312330
5233023301322
621111105244
73203460415
oct773346674
9307271251
10133025212
11690a88a1
1238672224
1321737758
141394a80c
15ba29d27
hex7edcdbc

133025212 has 12 divisors (see below), whose sum is σ = 239086120. Its totient is φ = 64714896.

The previous prime is 133025209. The next prime is 133025227. The reversal of 133025212 is 212520331.

It is a self number, because there is not a number n which added to its sum of digits gives 133025212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449262 + ... + 449557.

Almost surely, 2133025212 is an apocalyptic number.

It is an amenable number.

133025212 is a deficient number, since it is larger than the sum of its proper divisors (106060908).

133025212 is a wasteful number, since it uses less digits than its factorization.

133025212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898860 (or 898858 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 133025212 is about 11533.6556217012. The cubic root of 133025212 is about 510.4791242639.

Adding to 133025212 its reverse (212520331), we get a palindrome (345545543).

The spelling of 133025212 in words is "one hundred thirty-three million, twenty-five thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 898819 1797638 3595276 33256303 66512606 133025212