Search a number
-
+
200221505 = 5113640391
BaseRepresentation
bin10111110111100…
…10001101000001
3111221202022021022
423323302031001
5402224042010
631511235225
74650566111
oct1373621501
9457668238
10200221505
11a3024420
1257078b15
1332634083
141c83d041
151289ed55
hexbef2341

200221505 has 8 divisors (see below), whose sum is σ = 262108224. Its totient is φ = 145615600.

The previous prime is 200221493. The next prime is 200221517. The reversal of 200221505 is 505122002.

It is an interprime number because it is at equal distance from previous prime (200221493) and next prime (200221517).

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

It is not a de Polignac number, because 200221505 - 222 = 196027201 is a prime.

It is a Duffinian 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, 1820141 + ... + 1820250.

It is an arithmetic number, because the mean of its divisors is an integer number (32763528).

Almost surely, 2200221505 is an apocalyptic number.

It is an amenable number.

200221505 is a deficient number, since it is larger than the sum of its proper divisors (61886719).

200221505 is a wasteful number, since it uses less digits than its factorization.

200221505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640407.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 200221505 is about 14149.9648409457. The cubic root of 200221505 is about 585.0193628383.

Adding to 200221505 its reverse (505122002), we get a palindrome (705343507).

The spelling of 200221505 in words is "two hundred million, two hundred twenty-one thousand, five hundred five".

Divisors: 1 5 11 55 3640391 18201955 40044301 200221505