Search a number
-
+
132545181 = 3311425217
BaseRepresentation
bin1111110011001…
…11101010011101
3100020101222210210
413321213222131
5232412421211
621052523033
73166421046
oct771475235
9306358723
10132545181
116890017a
1238480479
13215ca102
14138638cd
15b9829a6
hex7e67a9d

132545181 has 8 divisors (see below), whose sum is σ = 182427904. Its totient is φ = 85512960.

The previous prime is 132545117. The next prime is 132545183. The reversal of 132545181 is 181545231.

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

It is not a de Polignac number, because 132545181 - 26 = 132545117 is a prime.

It is a super-2 number, since 2×1325451812 = 35136450012645522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132545183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712516 + ... + 712701.

It is an arithmetic number, because the mean of its divisors is an integer number (22803488).

Almost surely, 2132545181 is an apocalyptic number.

It is an amenable number.

132545181 is a deficient number, since it is larger than the sum of its proper divisors (49882723).

132545181 is a wasteful number, since it uses less digits than its factorization.

132545181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425251.

The product of its digits is 4800, while the sum is 30.

The square root of 132545181 is about 11512.8268031791. The cubic root of 132545181 is about 509.8643506976.

Subtracting 132545181 from its reverse (181545231), we obtain a triangular number (49000050 = T9899).

The spelling of 132545181 in words is "one hundred thirty-two million, five hundred forty-five thousand, one hundred eighty-one".

Divisors: 1 3 31 93 1425217 4275651 44181727 132545181