Search a number
-
+
352230220 = 22547374713
BaseRepresentation
bin10100111111101…
…001101101001100
3220112210011000201
4110333221231030
51210132331340
654541303244
711504623156
oct2477515514
9815704021
10352230220
11170908861
1299b64b24
1357c87364
1434acbad6
1520dc979a
hex14fe9b4c

352230220 has 24 divisors (see below), whose sum is σ = 755423424. Its totient is φ = 137894016.

The previous prime is 352230217. The next prime is 352230239. The reversal of 352230220 is 22032253.

It is a super-2 number, since 2×3522302202 = 248132255762496800, which contains 22 as substring.

It is an unprimeable number.

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, 186417 + ... + 188296.

It is an arithmetic number, because the mean of its divisors is an integer number (31475976).

Almost surely, 2352230220 is an apocalyptic number.

It is an amenable number.

352230220 is an abundant number, since it is smaller than the sum of its proper divisors (403193204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

352230220 is a wasteful number, since it uses less digits than its factorization.

352230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374769 (or 374767 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 352230220 is about 18767.7974200491. The cubic root of 352230220 is about 706.2235647296.

Adding to 352230220 its reverse (22032253), we get a palindrome (374262473).

The spelling of 352230220 in words is "three hundred fifty-two million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 374713 749426 1498852 1873565 3747130 7494260 17611511 35223022 70446044 88057555 176115110 352230220