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133484330 = 2572272417
BaseRepresentation
bin1111111010011…
…00111100101010
3100022011201002002
413331030330222
5233132444310
621125011002
73210412100
oct775147452
9308151062
10133484330
1169391831
1238853a62
1321868715
1413a29c70
15babada5
hex7f4cf2a

133484330 has 24 divisors (see below), whose sum is σ = 279500868. Its totient is φ = 45765888.

The previous prime is 133484311. The next prime is 133484333. The reversal of 133484330 is 33484331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130347889 + 3136441 = 11417^2 + 1771^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133484293 and 133484302.

It is not an unprimeable number, because it can be changed into a prime (133484333) 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 11 ways as a sum of consecutive naturals, for example, 135719 + ... + 136698.

Almost surely, 2133484330 is an apocalyptic number.

133484330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133484330 is an abundant number, since it is smaller than the sum of its proper divisors (146016538).

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

133484330 is a wasteful number, since it uses less digits than its factorization.

133484330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272438 (or 272431 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 133484330 is about 11553.5418811722. The cubic root of 133484330 is about 511.0657324586.

Subtracting from 133484330 its reverse (33484331), we obtain a palindrome (99999999).

The spelling of 133484330 in words is "one hundred thirty-three million, four hundred eighty-four thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 272417 544834 1362085 1906919 2724170 3813838 9534595 13348433 19069190 26696866 66742165 133484330