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133130 = 2513313
BaseRepresentation
bin100000100000001010
320202121202
4200200022
513230010
62504202
71063064
oct404012
9222552
10133130
1191028
1265062
134879a
1436734
15296a5
hex2080a

133130 has 8 divisors (see below), whose sum is σ = 239652. Its totient is φ = 53248.

The previous prime is 133121. The next prime is 133153. The reversal of 133130 is 31331.

133130 = T256 + T257 + ... + T259.

It can be written as a sum of positive squares in 2 ways, for example, as 130321 + 2809 = 361^2 + 53^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6647 + ... + 6666.

2133130 is an apocalyptic number.

133130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133130 is a deficient number, since it is larger than the sum of its proper divisors (106522).

133130 is a wasteful number, since it uses less digits than its factorization.

133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 133130 is about 364.8698398059. The cubic root of 133130 is about 51.0613129054.

Adding to 133130 its reverse (31331), we get a palindrome (164461).

The spelling of 133130 in words is "one hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 13313 26626 66565 133130