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200894939 = 728699277
BaseRepresentation
bin10111111100101…
…10100111011011
3112000000112001022
423332112213123
5402412114224
631533513055
74656402350
oct1376264733
9460015038
10200894939
11a3444383
125734278b
133280b75b
141c976627
151298465e
hexbf969db

200894939 has 4 divisors (see below), whose sum is σ = 229594224. Its totient is φ = 172195656.

The previous prime is 200894929. The next prime is 200894951. The reversal of 200894939 is 939498002.

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 200894939 - 216 = 200829403 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 200894939.

It is not an unprimeable number, because it can be changed into a prime (200894929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14349632 + ... + 14349645.

It is an arithmetic number, because the mean of its divisors is an integer number (57398556).

Almost surely, 2200894939 is an apocalyptic number.

200894939 is a deficient number, since it is larger than the sum of its proper divisors (28699285).

200894939 is an equidigital number, since it uses as much as digits as its factorization.

200894939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28699284.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 200894939 is about 14173.7411786726. The cubic root of 200894939 is about 585.6745223197.

The spelling of 200894939 in words is "two hundred million, eight hundred ninety-four thousand, nine hundred thirty-nine".

Divisors: 1 7 28699277 200894939