Search a number
-
+
200685860 = 22510034293
BaseRepresentation
bin10111111011000…
…11100100100100
3111222121220020122
423331203210210
5402333421420
631525221112
74654541654
oct1375434444
9458556218
10200685860
11a3311291
1257261798
133276753b
141c920364
1512942725
hexbf63924

200685860 has 12 divisors (see below), whose sum is σ = 421440348. Its totient is φ = 80274336.

The previous prime is 200685827. The next prime is 200685869. The reversal of 200685860 is 68586002.

It can be written as a sum of positive squares in 2 ways, for example, as 60310756 + 140375104 = 7766^2 + 11848^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200685860.

It is not an unprimeable number, because it can be changed into a prime (200685869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5017127 + ... + 5017166.

It is an arithmetic number, because the mean of its divisors is an integer number (35120029).

Almost surely, 2200685860 is an apocalyptic number.

200685860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200685860 is an abundant number, since it is smaller than the sum of its proper divisors (220754488).

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

200685860 is a wasteful number, since it uses less digits than its factorization.

200685860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034302 (or 10034300 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 200685860 is about 14166.3636830345. The cubic root of 200685860 is about 585.4712738807.

The spelling of 200685860 in words is "two hundred million, six hundred eighty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 10034293 20068586 40137172 50171465 100342930 200685860