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506668001 = 779916217
BaseRepresentation
bin11110001100110…
…010001111100001
31022022101101211112
4132030302033201
52014201334001
6122135353105
715361415120
oct3614621741
91268341745
10506668001
11240001194
12121822795
1380c7b168
144b40dab7
152e733cbb
hex1e3323e1

506668001 has 8 divisors (see below), whose sum is σ = 586379520. Its totient is φ = 428789088.

The previous prime is 506667979. The next prime is 506668031. The reversal of 506668001 is 100866605.

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

It is a de Polignac number, because none of the positive numbers 2k-506668001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (506668031) 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, 457556 + ... + 458661.

It is an arithmetic number, because the mean of its divisors is an integer number (73297440).

Almost surely, 2506668001 is an apocalyptic number.

It is an amenable number.

506668001 is a deficient number, since it is larger than the sum of its proper divisors (79711519).

506668001 is an equidigital number, since it uses as much as digits as its factorization.

506668001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916303.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 506668001 is about 22509.2869944830. The cubic root of 506668001 is about 797.2132207867.

The spelling of 506668001 in words is "five hundred six million, six hundred sixty-eight thousand, one".

Divisors: 1 7 79 553 916217 6413519 72381143 506668001