Search a number
-
+
445352330 = 25229439443
BaseRepresentation
bin11010100010111…
…000100110001010
31011001000020112202
4122202320212022
51403002233310
6112105240202
714015301203
oct3242704612
91131006482
10445352330
11209431885
12105193062
13713603b7
144320c5aa
15291713a5
hex1a8b898a

445352330 has 32 divisors (see below), whose sum is σ = 808790400. Its totient is φ = 176559552.

The previous prime is 445352321. The next prime is 445352357. The reversal of 445352330 is 33253544.

It is a junction number, because it is equal to n+sod(n) for n = 445352293 and 445352302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005089 + ... + 1005531.

It is an arithmetic number, because the mean of its divisors is an integer number (25274700).

Almost surely, 2445352330 is an apocalyptic number.

445352330 is a deficient number, since it is larger than the sum of its proper divisors (363438070).

445352330 is a wasteful number, since it uses less digits than its factorization.

445352330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 445352330 is about 21103.3724792982. The cubic root of 445352330 is about 763.6621097062.

The spelling of 445352330 in words is "four hundred forty-five million, three hundred fifty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 229 439 443 458 878 886 1145 2195 2215 2290 4390 4430 100531 101447 194477 201062 202894 388954 502655 507235 972385 1005310 1014470 1944770 44535233 89070466 222676165 445352330