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200102198 = 27310712809
BaseRepresentation
bin10111110110101…
…01000100110110
3111221112020121112
423323111010312
5402211232243
631504515022
74646561222
oct1373250466
9457466545
10200102198
11a2a5281a
125701ba72
13325c198a
141c80b782
1512879818
hexbed5136

200102198 has 16 divisors (see below), whose sum is σ = 307132560. Its totient is φ = 97750656.

The previous prime is 200102153. The next prime is 200102209. The reversal of 200102198 is 891201002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9218 + ... + 22026.

It is an arithmetic number, because the mean of its divisors is an integer number (19195785).

Almost surely, 2200102198 is an apocalyptic number.

200102198 is a deficient number, since it is larger than the sum of its proper divisors (107030362).

200102198 is a wasteful number, since it uses less digits than its factorization.

200102198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12991.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 200102198 is about 14145.7484072070. The cubic root of 200102198 is about 584.9031402692.

The spelling of 200102198 in words is "two hundred million, one hundred two thousand, one hundred ninety-eight".

Divisors: 1 2 73 107 146 214 7811 12809 15622 25618 935057 1370563 1870114 2741126 100051099 200102198