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506384680 = 23512659617
BaseRepresentation
bin11110001011101…
…101000100101000
31022021212000012011
4132023231010220
52014113302210
6122125325304
715356125114
oct3613550450
91267760164
10506384680
1123a92833a
12121706834
1380bac209
144b378744
152e6c9d8a
hex1e2ed128

506384680 has 16 divisors (see below), whose sum is σ = 1139365620. Its totient is φ = 202553856.

The previous prime is 506384677. The next prime is 506384731. The reversal of 506384680 is 86483605.

It can be written as a sum of positive squares in 2 ways, for example, as 506160004 + 224676 = 22498^2 + 474^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 12659617 = 506384680 / (5 + 0 + 6 + 3 + 8 + 4 + 6 + 8 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6329769 + ... + 6329848.

Almost surely, 2506384680 is an apocalyptic number.

It is an amenable number.

506384680 is an abundant number, since it is smaller than the sum of its proper divisors (632980940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506384680 is a wasteful number, since it uses less digits than its factorization.

506384680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659628 (or 12659624 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 506384680 is about 22502.9926898624. The cubic root of 506384680 is about 797.0645965988.

The spelling of 506384680 in words is "five hundred six million, three hundred eighty-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 12659617 25319234 50638468 63298085 101276936 126596170 253192340 506384680