Search a number
-
+
133641130 = 2572272737
BaseRepresentation
bin1111111011100…
…11001110101010
3100022110200011111
413331303032222
5233203004010
621132220534
73211634200
oct775631652
9308420144
10133641130
1169489617
123890a74a
13218c1bbc
1413a6b070
15baec58a
hex7f733aa

133641130 has 24 divisors (see below), whose sum is σ = 279829188. Its totient is φ = 45819648.

The previous prime is 133641121. The next prime is 133641187. The reversal of 133641130 is 31146331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125283249 + 8357881 = 11193^2 + 2891^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135879 + ... + 136858.

Almost surely, 2133641130 is an apocalyptic number.

133641130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133641130 is an abundant number, since it is smaller than the sum of its proper divisors (146188058).

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

133641130 is a wasteful number, since it uses less digits than its factorization.

133641130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272758 (or 272751 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 133641130 is about 11560.3256874536. The cubic root of 133641130 is about 511.2657653012.

Adding to 133641130 its reverse (31146331), we get a palindrome (164787461).

The spelling of 133641130 in words is "one hundred thirty-three million, six hundred forty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 272737 545474 1363685 1909159 2727370 3818318 9545795 13364113 19091590 26728226 66820565 133641130