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200245818 = 2340078329
BaseRepresentation
bin10111110111110…
…00001000111010
3111221210112121210
423323320020322
5402230331233
631511543550
74651030023
oct1373701072
9457715553
10200245818
11a3040713
125708abb6
1332642166
141c847c4a
15128a7163
hexbef823a

200245818 has 16 divisors (see below), whose sum is σ = 400639680. Its totient is φ = 66723936.

The previous prime is 200245811. The next prime is 200245849. The reversal of 200245818 is 818542002.

It is not an unprimeable number, because it can be changed into a prime (200245811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19878 + ... + 28206.

It is an arithmetic number, because the mean of its divisors is an integer number (25039980).

Almost surely, 2200245818 is an apocalyptic number.

200245818 is an abundant number, since it is smaller than the sum of its proper divisors (200393862).

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

200245818 is a wasteful number, since it uses less digits than its factorization.

200245818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 200245818 is about 14150.8239336090. The cubic root of 200245818 is about 585.0430416136.

The spelling of 200245818 in words is "two hundred million, two hundred forty-five thousand, eight hundred eighteen".

Divisors: 1 2 3 6 4007 8014 8329 12021 16658 24042 24987 49974 33374303 66748606 100122909 200245818