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506756840 = 23512668921
BaseRepresentation
bin11110001101000…
…111111011101000
31022022112220200212
4132031013323220
52014212204330
6122141320252
715362235122
oct3615077350
91268486625
10506756840
11240061a07
12121866088
1380cac725
144b434212
152e750295
hex1e347ee8

506756840 has 16 divisors (see below), whose sum is σ = 1140202980. Its totient is φ = 202702720.

The previous prime is 506756827. The next prime is 506756851. The reversal of 506756840 is 48657605.

It can be written as a sum of positive squares in 2 ways, for example, as 483736036 + 23020804 = 21994^2 + 4798^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6334421 + ... + 6334500.

Almost surely, 2506756840 is an apocalyptic number.

It is an amenable number.

506756840 is an abundant number, since it is smaller than the sum of its proper divisors (633446140).

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

506756840 is a wasteful number, since it uses less digits than its factorization.

506756840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668932 (or 12668928 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 506756840 is about 22511.2602934620. The cubic root of 506756840 is about 797.2598124313.

The spelling of 506756840 in words is "five hundred six million, seven hundred fifty-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 12668921 25337842 50675684 63344605 101351368 126689210 253378420 506756840