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490910404 = 22971265233
BaseRepresentation
bin11101010000101…
…011001011000100
31021012201211110211
4131100223023010
52001133113104
6120413525204
715110445445
oct3520531304
91235654424
10490910404
11232119286
121184a3804
137a921a3a
14492ab2cc
152d16ee04
hex1d42b2c4

490910404 has 12 divisors (see below), whose sum is σ = 867950524. Its totient is φ = 242924544.

The previous prime is 490910369. The next prime is 490910417. The reversal of 490910404 is 404019094.

It can be written as a sum of positive squares in 2 ways, for example, as 268960000 + 221950404 = 16400^2 + 14898^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 632229 + ... + 633004.

Almost surely, 2490910404 is an apocalyptic number.

It is an amenable number.

490910404 is a deficient number, since it is larger than the sum of its proper divisors (377040120).

490910404 is a wasteful number, since it uses less digits than its factorization.

490910404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265334 (or 1265332 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 490910404 is about 22156.4980084850. The cubic root of 490910404 is about 788.8614716503.

Adding to 490910404 its reverse (404019094), we get a palindrome (894929498).

The spelling of 490910404 in words is "four hundred ninety million, nine hundred ten thousand, four hundred four".

Divisors: 1 2 4 97 194 388 1265233 2530466 5060932 122727601 245455202 490910404