Search a number
-
+
445032121 = 16718114723
BaseRepresentation
bin11010100001101…
…010011010111001
31011000101222022011
4122201222122321
51402412011441
6112054325521
714012465512
oct3241523271
91130358264
10445032121
11209233246
121050598a1
137127a721
1443167a09
152910b581
hex1a86a6b9

445032121 has 8 divisors (see below), whose sum is σ = 450201024. Its totient is φ = 439893360.

The previous prime is 445032113. The next prime is 445032199. The reversal of 445032121 is 121230544.

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

It is a cyclic number.

It is not a de Polignac number, because 445032121 - 23 = 445032113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445032092 and 445032101.

It is not an unprimeable number, because it can be changed into a prime (445030121) 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, 22866 + ... + 37588.

It is an arithmetic number, because the mean of its divisors is an integer number (56275128).

Almost surely, 2445032121 is an apocalyptic number.

It is an amenable number.

445032121 is a deficient number, since it is larger than the sum of its proper divisors (5168903).

445032121 is a wasteful number, since it uses less digits than its factorization.

445032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15071.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 445032121 is about 21095.7844367068. The cubic root of 445032121 is about 763.4790410857.

Adding to 445032121 its reverse (121230544), we get a palindrome (566262665).

The spelling of 445032121 in words is "four hundred forty-five million, thirty-two thousand, one hundred twenty-one".

Divisors: 1 167 181 14723 30227 2458741 2664863 445032121