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133382208 = 2631793881
BaseRepresentation
bin1111111001101…
…00000001000000
3100021222111222210
413330310001000
5233121212313
621122502120
73206505261
oct774640100
9307874883
10133382208
1169322033
1238804940
13218310ab
1413a00968
15ba9a9c3
hex7f34040

133382208 has 56 divisors (see below), whose sum is σ = 354970080. Its totient is φ = 44200960.

The previous prime is 133382191. The next prime is 133382209. The reversal of 133382208 is 802283331.

It is not an unprimeable number, because it can be changed into a prime (133382209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32428 + ... + 36308.

Almost surely, 2133382208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133382208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177485040).

133382208 is an abundant number, since it is smaller than the sum of its proper divisors (221587872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133382208 is a wasteful number, since it uses less digits than its factorization.

133382208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075 (or 4065 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 133382208 is about 11549.1215250338. The cubic root of 133382208 is about 510.9353691669.

The spelling of 133382208 in words is "one hundred thirty-three million, three hundred eighty-two thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 179 192 358 537 716 1074 1432 2148 2864 3881 4296 5728 7762 8592 11456 11643 15524 17184 23286 31048 34368 46572 62096 93144 124192 186288 248384 372576 694699 745152 1389398 2084097 2778796 4168194 5557592 8336388 11115184 16672776 22230368 33345552 44460736 66691104 133382208