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506490911 = 17108727409
BaseRepresentation
bin11110001100000…
…111000000011111
31022022001101220122
4132030013000133
52014130202121
6122131505155
715360046613
oct3614070037
91268041818
10506490911
1123a9a0133
121217581bb
1380c18684
144b3a5343
152e6eb5ab
hex1e30701f

506490911 has 8 divisors (see below), whose sum is σ = 536797440. Its totient is φ = 476241408.

The previous prime is 506490857. The next prime is 506490953. The reversal of 506490911 is 119094605.

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 506490911 - 210 = 506489887 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506490211) 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, 4775 + ... + 32183.

It is an arithmetic number, because the mean of its divisors is an integer number (67099680).

Almost surely, 2506490911 is an apocalyptic number.

506490911 is a deficient number, since it is larger than the sum of its proper divisors (30306529).

506490911 is a wasteful number, since it uses less digits than its factorization.

506490911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28513.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 506490911 is about 22505.3529410227. The cubic root of 506490911 is about 797.1203296230.

The spelling of 506490911 in words is "five hundred six million, four hundred ninety thousand, nine hundred eleven".

Divisors: 1 17 1087 18479 27409 465953 29793583 506490911