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200255144 = 2325031893
BaseRepresentation
bin10111110111110…
…10011010101000
3111221211000102012
423323322122220
5402231131034
631512055052
74651066145
oct1373723250
9457730365
10200255144
11a3047721
1257094488
133264648b
141c84b3cc
15128a9cce
hexbefa6a8

200255144 has 8 divisors (see below), whose sum is σ = 375478410. Its totient is φ = 100127568.

The previous prime is 200255141. The next prime is 200255177. The reversal of 200255144 is 441552002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 199883044 + 372100 = 14138^2 + 610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (200255141) 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 as a sum of consecutive naturals, namely, 12515939 + ... + 12515954.

Almost surely, 2200255144 is an apocalyptic number.

It is an amenable number.

200255144 is a deficient number, since it is larger than the sum of its proper divisors (175223266).

200255144 is a wasteful number, since it uses less digits than its factorization.

200255144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25031899 (or 25031895 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 200255144 is about 14151.1534512209. The cubic root of 200255144 is about 585.0521238286.

The spelling of 200255144 in words is "two hundred million, two hundred fifty-five thousand, one hundred forty-four".

Divisors: 1 2 4 8 25031893 50063786 100127572 200255144