Search a number
-
+
200110221 = 32199111731
BaseRepresentation
bin10111110110101…
…11000010001101
3111221112122121200
423323113002031
5402212011341
631505020113
74646623503
oct1373270215
9457478550
10200110221
11a2a58853
1257024639
13325c551c
141c810673
151287bdb6
hexbed708d

200110221 has 12 divisors (see below), whose sum is σ = 290503200. Its totient is φ = 132735240.

The previous prime is 200110219. The next prime is 200110249. The reversal of 200110221 is 122011002.

It is not a de Polignac number, because 200110221 - 21 = 200110219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200110271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54075 + ... + 57656.

It is an arithmetic number, because the mean of its divisors is an integer number (24208600).

Almost surely, 2200110221 is an apocalyptic number.

It is an amenable number.

200110221 is a deficient number, since it is larger than the sum of its proper divisors (90392979).

200110221 is a wasteful number, since it uses less digits than its factorization.

200110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111936 (or 111933 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 200110221 is about 14146.0319878049. The cubic root of 200110221 is about 584.9109573000.

Adding to 200110221 its reverse (122011002), we get a palindrome (322121223).

The spelling of 200110221 in words is "two hundred million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 9 199 597 1791 111731 335193 1005579 22234469 66703407 200110221