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200874287 = 4717892389
BaseRepresentation
bin10111111100100…
…01100100101111
3111222222110201102
423332101210233
5402410434122
631533233315
74656255215
oct1376214457
9458873642
10200874287
11a342a909
125733283b
1332802233
141c96ccb5
151297d492
hexbf9192f

200874287 has 8 divisors (see below), whose sum is σ = 205348800. Its totient is φ = 196408224.

The previous prime is 200874277. The next prime is 200874299. The reversal of 200874287 is 782478002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200874287 - 28 = 200874031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200874287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200874217) 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 7 ways as a sum of consecutive naturals, for example, 82889 + ... + 85277.

It is an arithmetic number, because the mean of its divisors is an integer number (25668600).

Almost surely, 2200874287 is an apocalyptic number.

200874287 is a deficient number, since it is larger than the sum of its proper divisors (4474513).

200874287 is a wasteful number, since it uses less digits than its factorization.

200874287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 200874287 is about 14173.0126296423. The cubic root of 200874287 is about 585.6544525181.

The spelling of 200874287 in words is "two hundred million, eight hundred seventy-four thousand, two hundred eighty-seven".

Divisors: 1 47 1789 2389 84083 112283 4273921 200874287