Search a number
-
+
200030811 = 32272391229
BaseRepresentation
bin10111110110000…
…11101001011011
3111221101121200120
423323003221123
5402201441221
631503204323
74646143131
oct1373035133
9457347616
10200030811
11a2a04122
1256ba66a3
1332598336
141c7cd751
15128635c6
hexbec3a5b

200030811 has 16 divisors (see below), whose sum is σ = 269222400. Its totient is φ = 132103328.

The previous prime is 200030801. The next prime is 200030837. The reversal of 200030811 is 118030002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200030811 - 210 = 200029787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200030801) 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, 162145 + ... + 163373.

It is an arithmetic number, because the mean of its divisors is an integer number (16826400).

Almost surely, 2200030811 is an apocalyptic number.

200030811 is a deficient number, since it is larger than the sum of its proper divisors (69191589).

200030811 is a wasteful number, since it uses less digits than its factorization.

200030811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 200030811 is about 14143.2249151316. The cubic root of 200030811 is about 584.8335767374.

Adding to 200030811 its reverse (118030002), we get a palindrome (318060813).

The spelling of 200030811 in words is "two hundred million, thirty thousand, eight hundred eleven".

Divisors: 1 3 227 239 681 717 1229 3687 54253 162759 278983 293731 836949 881193 66676937 200030811