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505006001 = 6711636481
BaseRepresentation
bin11110000110011…
…100011110110001
31022012020221222222
4132012130132301
52013240143001
6122040010425
715341323463
oct3606343661
91265227888
10505006001
1123a076535
12121160a15
1380818826
144b0da133
152e50661b
hex1e19c7b1

505006001 has 8 divisors (see below), whose sum is σ = 513063264. Its totient is φ = 496964160.

The previous prime is 505005989. The next prime is 505006003. The reversal of 505006001 is 100600505.

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 505006001 - 26 = 505005937 is a prime.

It is a super-2 number, since 2×5050060012 = 510062122092024002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505006003) 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, 74681 + ... + 81161.

It is an arithmetic number, because the mean of its divisors is an integer number (64132908).

Almost surely, 2505006001 is an apocalyptic number.

It is an amenable number.

505006001 is a deficient number, since it is larger than the sum of its proper divisors (8057263).

505006001 is a wasteful number, since it uses less digits than its factorization.

505006001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 505006001 is about 22472.3385743451. The cubic root of 505006001 is about 796.3405785036.

Adding to 505006001 its reverse (100600505), we get a palindrome (605606506).

The spelling of 505006001 in words is "five hundred five million, six thousand, one".

Divisors: 1 67 1163 6481 77921 434227 7537403 505006001