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505899411 = 31091547093
BaseRepresentation
bin11110001001110…
…110100110010011
31022020221100112020
4132021312212103
52014002240121
6122111102523
715352034253
oct3611664623
91266840466
10505899411
1123a626796
12121511a43
1380a6c384
144b28d963
152e6311c6
hex1e276993

505899411 has 8 divisors (see below), whose sum is σ = 680721360. Its totient is φ = 334171872.

The previous prime is 505899389. The next prime is 505899431. The reversal of 505899411 is 114998505.

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

It is not a de Polignac number, because 505899411 - 26 = 505899347 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (505899431) 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, 773220 + ... + 773873.

It is an arithmetic number, because the mean of its divisors is an integer number (85090170).

Almost surely, 2505899411 is an apocalyptic number.

505899411 is a deficient number, since it is larger than the sum of its proper divisors (174821949).

505899411 is a wasteful number, since it uses less digits than its factorization.

505899411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547205.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 505899411 is about 22492.2077840305. The cubic root of 505899411 is about 796.8099059293.

The spelling of 505899411 in words is "five hundred five million, eight hundred ninety-nine thousand, four hundred eleven".

Divisors: 1 3 109 327 1547093 4641279 168633137 505899411