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506613997 = 3123370139
BaseRepresentation
bin11110001100100…
…101000011101101
31022022021122202101
4132030211003231
52014143121442
6122134255101
715361101511
oct3614450355
91268248671
10506613997
1123aa7465a
121217b7491
1380c5c6c6
144b3d8141
152e722cb7
hex1e3250ed

506613997 has 8 divisors (see below), whose sum is σ = 525208320. Its totient is φ = 488160480.

The previous prime is 506613983. The next prime is 506614013. The reversal of 506613997 is 799316605.

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

It is a cyclic number.

It is not a de Polignac number, because 506613997 - 27 = 506613869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506616997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27847 + ... + 42292.

It is an arithmetic number, because the mean of its divisors is an integer number (65651040).

Almost surely, 2506613997 is an apocalyptic number.

It is an amenable number.

506613997 is a deficient number, since it is larger than the sum of its proper divisors (18594323).

506613997 is a wasteful number, since it uses less digits than its factorization.

506613997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70403.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 506613997 is about 22508.0873687659. The cubic root of 506613997 is about 797.1848957083.

The spelling of 506613997 in words is "five hundred six million, six hundred thirteen thousand, nine hundred ninety-seven".

Divisors: 1 31 233 7223 70139 2174309 16342387 506613997