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133889034 = 23101220939
BaseRepresentation
bin1111111101011…
…11110000001010
3100022221021020010
413332233300022
5233233422114
621141412350
73214016016
oct776576012
9308837203
10133889034
11696388a4
1238a0a0b6
132197a9a6
1413ad3546
15bb4ac59
hex7fafc0a

133889034 has 16 divisors (see below), whose sum is σ = 270430560. Its totient is φ = 44187600.

The previous prime is 133889009. The next prime is 133889039. The reversal of 133889034 is 430988331.

It is a junction number, because it is equal to n+sod(n) for n = 133888983 and 133889001.

It is not an unprimeable number, because it can be changed into a prime (133889039) 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 7 ways as a sum of consecutive naturals, for example, 109864 + ... + 111075.

It is an arithmetic number, because the mean of its divisors is an integer number (16901910).

Almost surely, 2133889034 is an apocalyptic number.

133889034 is an abundant number, since it is smaller than the sum of its proper divisors (136541526).

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

133889034 is a wasteful number, since it uses less digits than its factorization.

133889034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221045.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 133889034 is about 11571.0429089171. The cubic root of 133889034 is about 511.5817023147.

It can be divided in two parts, 13388 and 9034, that added together give a palindrome (22422).

The spelling of 133889034 in words is "one hundred thirty-three million, eight hundred eighty-nine thousand, thirty-four".

Divisors: 1 2 3 6 101 202 303 606 220939 441878 662817 1325634 22314839 44629678 66944517 133889034