Base | Representation |
---|---|
bin | 1111101111001… |
… | …11100001100001 |
3 | 100012102022211112 |
4 | 13313213201201 |
5 | 232244122241 |
6 | 21033353105 |
7 | 3162103616 |
oct | 767474141 |
9 | 305368745 |
10 | 132020321 |
11 | 68581904 |
12 | 38268795 |
13 | 21475244 |
14 | 1376850d |
15 | b8cc1eb |
hex | 7de7861 |
132020321 has 8 divisors (see below), whose sum is σ = 134991360. Its totient is φ = 129056128.
The previous prime is 132020309. The next prime is 132020327. The reversal of 132020321 is 123020231.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-132020321 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 132020296 and 132020305.
It is not an unprimeable number, because it can be changed into a prime (132020327) 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, 68945 + ... + 70833.
It is an arithmetic number, because the mean of its divisors is an integer number (16873920).
Almost surely, 2132020321 is an apocalyptic number.
It is an amenable number.
132020321 is a deficient number, since it is larger than the sum of its proper divisors (2971039).
132020321 is a wasteful number, since it uses less digits than its factorization.
132020321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3423.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 132020321 is about 11490.0096170543. The cubic root of 132020321 is about 509.1904637275.
Adding to 132020321 its reverse (123020231), we get a palindrome (255040552).
The spelling of 132020321 in words is "one hundred thirty-two million, twenty thousand, three hundred twenty-one".
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