Search a number
-
+
133049148 = 22331357659
BaseRepresentation
bin1111110111000…
…10101100111100
3100021100121010020
413323202230330
5233030033043
621111412140
73203620251
oct773425474
9307317106
10133049148
1169114881
1238684050
132174560b
1413955428
15ba31e83
hex7ee2b3c

133049148 has 24 divisors (see below), whose sum is σ = 320463360. Its totient is φ = 42918960.

The previous prime is 133049093. The next prime is 133049171. The reversal of 133049148 is 841940331.

It is a congruent number.

It is an unprimeable number.

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, 178458 + ... + 179201.

It is an arithmetic number, because the mean of its divisors is an integer number (13352640).

Almost surely, 2133049148 is an apocalyptic number.

It is an amenable number.

133049148 is an abundant number, since it is smaller than the sum of its proper divisors (187414212).

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

133049148 is a wasteful number, since it uses less digits than its factorization.

133049148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357697 (or 357695 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 133049148 is about 11534.6932338923. The cubic root of 133049148 is about 510.5097402535.

Adding to 133049148 its reverse (841940331), we get a palindrome (974989479).

The spelling of 133049148 in words is "one hundred thirty-three million, forty-nine thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 357659 715318 1072977 1430636 2145954 4291908 11087429 22174858 33262287 44349716 66524574 133049148