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200464865 = 5137329201
BaseRepresentation
bin10111111001011…
…01100111100001
3111222012200002122
423330231213201
5402304333430
631520354025
74652631446
oct1374554741
9458180078
10200464865
11a3180247
1257175915
13326baa83
141c8a39cd
15128ebee5
hexbf2d9e1

200464865 has 8 divisors (see below), whose sum is σ = 240741288. Its totient is φ = 160249600.

The previous prime is 200464861. The next prime is 200464889. The reversal of 200464865 is 568464002.

It can be written as a sum of positive squares in 4 ways, for example, as 57638464 + 142826401 = 7592^2 + 11951^2 .

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

It is not a de Polignac number, because 200464865 - 22 = 200464861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200464861) 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, 7736 + ... + 21465.

It is an arithmetic number, because the mean of its divisors is an integer number (30092661).

Almost surely, 2200464865 is an apocalyptic number.

It is an amenable number.

200464865 is a deficient number, since it is larger than the sum of its proper divisors (40276423).

200464865 is a wasteful number, since it uses less digits than its factorization.

200464865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30579.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 200464865 is about 14158.5615441682. The cubic root of 200464865 is about 585.2562882201.

The spelling of 200464865 in words is "two hundred million, four hundred sixty-four thousand, eight hundred sixty-five".

Divisors: 1 5 1373 6865 29201 146005 40092973 200464865