Search a number
-
+
223130308 = 2255782577
BaseRepresentation
bin11010100110010…
…11001011000100
3120112212012020111
431103023023010
5424110132213
634050242404
75346401452
oct1523131304
9515765214
10223130308
11104a51115
1262886404
13372c548b
14218c39d2
15148c7a3d
hexd4cb2c4

223130308 has 6 divisors (see below), whose sum is σ = 390478046. Its totient is φ = 111565152.

The previous prime is 223130293. The next prime is 223130309. The reversal of 223130308 is 803031322.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 157552704 + 65577604 = 12552^2 + 8098^2 .

It is a super-3 number, since 3×2231303083 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223130309) by changing a digit.

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 as a sum of consecutive naturals, namely, 27891285 + ... + 27891292.

Almost surely, 2223130308 is an apocalyptic number.

It is an amenable number.

223130308 is a deficient number, since it is larger than the sum of its proper divisors (167347738).

223130308 is a wasteful number, since it uses less digits than its factorization.

223130308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55782581 (or 55782579 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 223130308 is about 14937.5469204284. The cubic root of 223130308 is about 606.5307936800.

The spelling of 223130308 in words is "two hundred twenty-three million, one hundred thirty thousand, three hundred eight".

Divisors: 1 2 4 55782577 111565154 223130308