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490782688 = 25111394269
BaseRepresentation
bin11101010000001…
…011111111100000
31021012111100021121
4131100023333200
52001120021223
6120411102024
715106404214
oct3520137740
91235440247
10490782688
11232041330
12118441914
137a8a8876
1449276944
152d14715d
hex1d40bfe0

490782688 has 24 divisors (see below), whose sum is σ = 1054068120. Its totient is φ = 223082880.

The previous prime is 490782679. The next prime is 490782727. The reversal of 490782688 is 886287094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696783 + ... + 697486.

It is an arithmetic number, because the mean of its divisors is an integer number (43919505).

Almost surely, 2490782688 is an apocalyptic number.

It is an amenable number.

490782688 is an abundant number, since it is smaller than the sum of its proper divisors (563285432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490782688 is a wasteful number, since it uses less digits than its factorization.

490782688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394290 (or 1394282 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The square root of 490782688 is about 22153.6156868354. The cubic root of 490782688 is about 788.7930552487.

The spelling of 490782688 in words is "four hundred ninety million, seven hundred eighty-two thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 1394269 2788538 5577076 11154152 15336959 22308304 30673918 44616608 61347836 122695672 245391344 490782688