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200060087 = 487410801
BaseRepresentation
bin10111110110010…
…10110010110111
3111221110002211212
423323022302313
5402203410322
631503552035
74646324363
oct1373126267
9457402755
10200060087
11a2a24117
1256bbb61b
13325a8766
141c7da2a3
151286c0e2
hexbecacb7

200060087 has 4 divisors (see below), whose sum is σ = 200471376. Its totient is φ = 199648800.

The previous prime is 200060071. The next prime is 200060099. The reversal of 200060087 is 780060002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780060002 = 2390030001.

It is a cyclic number.

It is not a de Polignac number, because 200060087 - 24 = 200060071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200060027) 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, 204914 + ... + 205887.

It is an arithmetic number, because the mean of its divisors is an integer number (50117844).

Almost surely, 2200060087 is an apocalyptic number.

200060087 is a deficient number, since it is larger than the sum of its proper divisors (411289).

200060087 is an equidigital number, since it uses as much as digits as its factorization.

200060087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411288.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 200060087 is about 14144.2598604522. The cubic root of 200060087 is about 584.8621069298.

The spelling of 200060087 in words is "two hundred million, sixty thousand, eighty-seven".

Divisors: 1 487 410801 200060087