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200713881 = 3151443077
BaseRepresentation
bin10111111011010…
…10011010011001
3111222200022200110
423331222122121
5402340321011
631525554533
74655016444
oct1375523231
9458608613
10200713881
11a3330345
1257275a49
1332777214
141c92a65b
151294aba6
hexbf6a699

200713881 has 8 divisors (see below), whose sum is σ = 269391424. Its totient is φ = 132922800.

The previous prime is 200713879. The next prime is 200713913. The reversal of 200713881 is 188317002.

It is a happy number.

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

It is not a de Polignac number, because 200713881 - 21 = 200713879 is a prime.

It is a super-2 number, since 2×2007138812 = 80572124052164322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200713181) 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, 221086 + ... + 221991.

It is an arithmetic number, because the mean of its divisors is an integer number (33673928).

Almost surely, 2200713881 is an apocalyptic number.

It is an amenable number.

200713881 is a deficient number, since it is larger than the sum of its proper divisors (68677543).

200713881 is a wasteful number, since it uses less digits than its factorization.

200713881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443231.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 200713881 is about 14167.3526461368. The cubic root of 200713881 is about 585.4985216517.

The spelling of 200713881 in words is "two hundred million, seven hundred thirteen thousand, eight hundred eighty-one".

Divisors: 1 3 151 453 443077 1329231 66904627 200713881