Search a number
-
+
133380347 = 1993591867
BaseRepresentation
bin1111111001100…
…11100011111011
3100021222102102212
413330303203323
5233121132342
621122445335
73206466662
oct774634373
9307872385
10133380347
11693206a1
123880384b
13218302a9
14139dddd9
15ba9a182
hex7f338fb

133380347 has 8 divisors (see below), whose sum is σ = 134496000. Its totient is φ = 132269544.

The previous prime is 133380329. The next prime is 133380349. The reversal of 133380347 is 743083331.

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 133380347 - 212 = 133376251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133380349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 70508 + ... + 72374.

It is an arithmetic number, because the mean of its divisors is an integer number (16812000).

Almost surely, 2133380347 is an apocalyptic number.

133380347 is a deficient number, since it is larger than the sum of its proper divisors (1115653).

133380347 is a wasteful number, since it uses less digits than its factorization.

133380347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 133380347 is about 11549.0409558543. The cubic root of 133380347 is about 510.9329929001.

The spelling of 133380347 in words is "one hundred thirty-three million, three hundred eighty thousand, three hundred forty-seven".

Divisors: 1 199 359 1867 71441 371533 670253 133380347