[go: up one dir, main page]

Search a number
-
+
66230202 = 23231493221
BaseRepresentation
bin1111110010100…
…1011110111010
311121121211202110
43330221132322
5113423331302
610323313150
71432642653
oct374513672
9147554673
1066230202
1134426805
121a21b7b6
131094b98c
148b2052a
155c33b6c
hex3f297ba

66230202 has 32 divisors (see below), whose sum is σ = 139190400. Its totient is φ = 20968640.

The previous prime is 66230173. The next prime is 66230209. The reversal of 66230202 is 20203266.

It is not an unprimeable number, because it can be changed into a prime (66230209) 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 15 ways as a sum of consecutive naturals, for example, 18952 + ... + 22172.

It is an arithmetic number, because the mean of its divisors is an integer number (4349700).

Almost surely, 266230202 is an apocalyptic number.

66230202 is an abundant number, since it is smaller than the sum of its proper divisors (72960198).

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

66230202 is a wasteful number, since it uses less digits than its factorization.

66230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 66230202 is about 8138.1940257037. The cubic root of 66230202 is about 404.5933061147.

Adding to 66230202 its reverse (20203266), we get a palindrome (86433468).

The spelling of 66230202 in words is "sixty-six million, two hundred thirty thousand, two hundred two".

Divisors: 1 2 3 6 23 46 69 138 149 298 447 894 3221 3427 6442 6854 9663 10281 19326 20562 74083 148166 222249 444498 479929 959858 1439787 2879574 11038367 22076734 33115101 66230202