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200488887 = 32471493181
BaseRepresentation
bin10111111001100…
…11011110110111
3111222020220001100
423330303132313
5402311121022
631521101143
74653061464
oct1374633667
9458226040
10200488887
11a31972a5
12571877b3
13326c89a1
141c8ac66b
15129041ac
hexbf337b7

200488887 has 24 divisors (see below), whose sum is σ = 297835200. Its totient is φ = 129896640.

The previous prime is 200488853. The next prime is 200488901. The reversal of 200488887 is 788884002.

It is not a de Polignac number, because 200488887 - 27 = 200488759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200488087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61437 + ... + 64617.

It is an arithmetic number, because the mean of its divisors is an integer number (12409800).

Almost surely, 2200488887 is an apocalyptic number.

200488887 is a deficient number, since it is larger than the sum of its proper divisors (97346313).

200488887 is a wasteful number, since it uses less digits than its factorization.

200488887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3380 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 200488887 is about 14159.4098393966. The cubic root of 200488887 is about 585.2796646607.

The spelling of 200488887 in words is "two hundred million, four hundred eighty-eight thousand, eight hundred eighty-seven".

Divisors: 1 3 9 47 141 149 423 447 1341 3181 7003 9543 21009 28629 63027 149507 448521 473969 1345563 1421907 4265721 22276543 66829629 200488887