Search a number
-
+
132013221 = 3311419497
BaseRepresentation
bin1111101111001…
…01110010100101
3100012101222002120
413313211302211
5232243410341
621033300153
73162044124
oct767456245
9305358076
10132013221
116857753a
1238264659
1321471c42
1413765abb
15b8ca066
hex7de5ca5

132013221 has 8 divisors (see below), whose sum is σ = 181695744. Its totient is φ = 85169760.

The previous prime is 132013207. The next prime is 132013223. The reversal of 132013221 is 122310231.

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

It is not a de Polignac number, because 132013221 - 26 = 132013157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132013223) 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 7 ways as a sum of consecutive naturals, for example, 709656 + ... + 709841.

It is an arithmetic number, because the mean of its divisors is an integer number (22711968).

Almost surely, 2132013221 is an apocalyptic number.

It is an amenable number.

132013221 is a deficient number, since it is larger than the sum of its proper divisors (49682523).

132013221 is a wasteful number, since it uses less digits than its factorization.

132013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419531.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 132013221 is about 11489.7006488420. The cubic root of 132013221 is about 509.1813355441.

Adding to 132013221 its reverse (122310231), we get a palindrome (254323452).

It can be divided in two parts, 1320132 and 21, that multiplied together give a palindrome (27722772).

The spelling of 132013221 in words is "one hundred thirty-two million, thirteen thousand, two hundred twenty-one".

Divisors: 1 3 31 93 1419497 4258491 44004407 132013221