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499999930 = 25311612903
BaseRepresentation
bin11101110011010…
…110010010111010
31021211211121221221
4131303112102322
52010444444210
6121340422254
715250633513
oct3563262272
91254747857
10499999930
11237267391
1211b54798a
137c785061
144a595a0a
152dd681da
hex1dcd64ba

499999930 has 16 divisors (see below), whose sum is σ = 929032704. Its totient is φ = 193548240.

The previous prime is 499999909. The next prime is 499999931. The reversal of 499999930 is 39999994.

It is not an unprimeable number, because it can be changed into a prime (499999931) 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, 806142 + ... + 806761.

It is an arithmetic number, because the mean of its divisors is an integer number (58064544).

Almost surely, 2499999930 is an apocalyptic number.

499999930 is a deficient number, since it is larger than the sum of its proper divisors (429032774).

499999930 is a wasteful number, since it uses less digits than its factorization.

499999930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612941.

The product of its (nonzero) digits is 6377292, while the sum is 61.

The square root of 499999930 is about 22360.6782097503. The cubic root of 499999930 is about 793.7004889447.

The spelling of 499999930 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 1612903 3225806 8064515 16129030 49999993 99999986 249999965 499999930