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133333201 = 315697559
BaseRepresentation
bin1111111001010…
…00000011010001
3100021220000202201
413330220003101
5233113130301
621121443201
73206212351
oct774500321
9307800681
10133333201
1169299231
12387a0501
13218149b1
14139cab61
15ba8b201
hex7f280d1

133333201 has 8 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 128788320.

The previous prime is 133333199. The next prime is 133333223. The reversal of 133333201 is 102333331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133333201 - 21 = 133333199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133333801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13860 + ... + 21418.

It is an arithmetic number, because the mean of its divisors is an integer number (17236800).

Almost surely, 2133333201 is an apocalyptic number.

It is an amenable number.

133333201 is a deficient number, since it is larger than the sum of its proper divisors (4561199).

133333201 is an equidigital number, since it uses as much as digits as its factorization.

133333201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 133333201 is about 11546.9996535897. Note that the first 3 decimals coincide. The cubic root of 133333201 is about 510.8727859152.

Adding to 133333201 its reverse (102333331), we get a palindrome (235666532).

The spelling of 133333201 in words is "one hundred thirty-three million, three hundred thirty-three thousand, two hundred one".

Divisors: 1 31 569 7559 17639 234329 4301071 133333201