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490117883 = 1451933757
BaseRepresentation
bin11101001101101…
…001101011111011
31021011020120100012
4131031221223323
52000432233013
6120344532135
715100635053
oct3515515373
91234216305
10490117883
11231727902
1211818104b
137a7050a8
1449142563
152d0651a8
hex1d369afb

490117883 has 4 divisors (see below), whose sum is σ = 490166160. Its totient is φ = 490069608.

The previous prime is 490117877. The next prime is 490117889. The reversal of 490117883 is 388711094.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 388711094 = 2194355547.

It is an interprime number because it is at equal distance from previous prime (490117877) and next prime (490117889).

It is a cyclic number.

It is not a de Polignac number, because 490117883 - 24 = 490117867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490117883.

It is not an unprimeable number, because it can be changed into a prime (490117889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360 + ... + 31397.

It is an arithmetic number, because the mean of its divisors is an integer number (122541540).

Almost surely, 2490117883 is an apocalyptic number.

490117883 is a deficient number, since it is larger than the sum of its proper divisors (48277).

490117883 is a wasteful number, since it uses less digits than its factorization.

490117883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48276.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 490117883 is about 22138.6061666041. The cubic root of 490117883 is about 788.4367328979.

The spelling of 490117883 in words is "four hundred ninety million, one hundred seventeen thousand, eight hundred eighty-three".

Divisors: 1 14519 33757 490117883