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200805371 = 1315446567
BaseRepresentation
bin10111111100000…
…00101111111011
3111222211222011222
423332000233323
5402401232441
631531542255
74655550254
oct1376005773
9458758158
10200805371
11a3393058
12572ba98b
13327a9a60
141c951b2b
1512967d4b
hexbf80bfb

200805371 has 4 divisors (see below), whose sum is σ = 216251952. Its totient is φ = 185358792.

The previous prime is 200805349. The next prime is 200805373. The reversal of 200805371 is 173508002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200805371 - 26 = 200805307 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 200805371.

It is not an unprimeable number, because it can be changed into a prime (200805373) 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, 7723271 + ... + 7723296.

It is an arithmetic number, because the mean of its divisors is an integer number (54062988).

Almost surely, 2200805371 is an apocalyptic number.

200805371 is a deficient number, since it is larger than the sum of its proper divisors (15446581).

200805371 is a wasteful number, since it uses less digits than its factorization.

200805371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15446580.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 200805371 is about 14170.5811807420. The cubic root of 200805371 is about 585.5874693659.

The spelling of 200805371 in words is "two hundred million, eight hundred five thousand, three hundred seventy-one".

Divisors: 1 13 15446567 200805371