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200140855 = 540028171
BaseRepresentation
bin10111110110111…
…10100000110111
3111221121012122021
423323132200313
5402214001410
631505414011
74650112015
oct1373364067
9457535567
10200140855
11a2a79872
125703a307
1332606455
141c81b8b5
1512885eda
hexbede837

200140855 has 4 divisors (see below), whose sum is σ = 240169032. Its totient is φ = 160112680.

The previous prime is 200140841. The next prime is 200140873. The reversal of 200140855 is 558041002.

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

It is not a de Polignac number, because 200140855 - 225 = 166586423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20014081 + ... + 20014090.

It is an arithmetic number, because the mean of its divisors is an integer number (60042258).

Almost surely, 2200140855 is an apocalyptic number.

200140855 is a deficient number, since it is larger than the sum of its proper divisors (40028177).

200140855 is an equidigital number, since it uses as much as digits as its factorization.

200140855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40028176.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 200140855 is about 14147.1147235046. The cubic root of 200140855 is about 584.9408029320.

Adding to 200140855 its reverse (558041002), we get a palindrome (758181857).

The spelling of 200140855 in words is "two hundred million, one hundred forty thousand, eight hundred fifty-five".

Divisors: 1 5 40028171 200140855