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499908909 = 3674875107
BaseRepresentation
bin11101110011000…
…000000100101101
31021211200000002210
4131303000010231
52010434041114
6121334441033
715250104243
oct3563000455
91254600083
10499908909
11237204a65
1211b503179
137c7527b6
144a570793
152dd4b259
hex1dcc012d

499908909 has 16 divisors (see below), whose sum is σ = 678015488. Its totient is φ = 327560112.

The previous prime is 499908869. The next prime is 499908911. The reversal of 499908909 is 909809994.

It is not a de Polignac number, because 499908909 - 211 = 499906861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499908109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95334 + ... + 100440.

It is an arithmetic number, because the mean of its divisors is an integer number (42375968).

Almost surely, 2499908909 is an apocalyptic number.

It is an amenable number.

499908909 is a deficient number, since it is larger than the sum of its proper divisors (178106579).

499908909 is a wasteful number, since it uses less digits than its factorization.

499908909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664.

The product of its (nonzero) digits is 1889568, while the sum is 57.

The square root of 499908909 is about 22358.6428255384. The cubic root of 499908909 is about 793.6523237404.

The spelling of 499908909 in words is "four hundred ninety-nine million, nine hundred eight thousand, nine hundred nine".

Divisors: 1 3 67 201 487 1461 5107 15321 32629 97887 342169 1026507 2487109 7461327 166636303 499908909