Search a number
-
+
492017899 = 8911714721
BaseRepresentation
bin11101010100111…
…001100011101011
31021021211002200011
4131110321203223
52001424033044
6120453352351
715123040342
oct3524714353
91237732604
10492017899
1123280536a
121189386b7
137ac1bb69
14494b8b59
152d2dd134
hex1d5398eb

492017899 has 8 divisors (see below), whose sum is σ = 498076560. Its totient is φ = 485971200.

The previous prime is 492017891. The next prime is 492017923. The reversal of 492017899 is 998710294.

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 492017899 - 23 = 492017891 is a prime.

It is a super-2 number, since 2×4920178992 = 484163225872748402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492017891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101859 + ... + 106579.

It is an arithmetic number, because the mean of its divisors is an integer number (62259570).

Almost surely, 2492017899 is an apocalyptic number.

492017899 is a deficient number, since it is larger than the sum of its proper divisors (6058661).

492017899 is a wasteful number, since it uses less digits than its factorization.

492017899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 492017899 is about 22181.4764837691. The cubic root of 492017899 is about 789.4542505346.

The spelling of 492017899 in words is "four hundred ninety-two million, seventeen thousand, eight hundred ninety-nine".

Divisors: 1 89 1171 4721 104219 420169 5528291 492017899