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513000284 = 22128250071
BaseRepresentation
bin11110100100111…
…100001101011100
31022202022010002112
4132210330031130
52022312002114
6122523213152
715466300436
oct3644741534
91282263075
10513000284
11243636785
121239771b8
1382387484
144c1bb656
153008513e
hex1e93c35c

513000284 has 6 divisors (see below), whose sum is σ = 897750504. Its totient is φ = 256500140.

The previous prime is 513000281. The next prime is 513000337. The reversal of 513000284 is 482000315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513000281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64125032 + ... + 64125039.

It is an arithmetic number, because the mean of its divisors is an integer number (149625084).

Almost surely, 2513000284 is an apocalyptic number.

It is an amenable number.

513000284 is a deficient number, since it is larger than the sum of its proper divisors (384750220).

513000284 is a wasteful number, since it uses less digits than its factorization.

513000284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128250075 (or 128250073 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 513000284 is about 22649.5095752645. The cubic root of 513000284 is about 800.5206423409.

Adding to 513000284 its reverse (482000315), we get a palindrome (995000599).

The spelling of 513000284 in words is "five hundred thirteen million, two hundred eighty-four", and thus it is an aban number.

Divisors: 1 2 4 128250071 256500142 513000284