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490565320 = 23574737277
BaseRepresentation
bin11101001111010…
…110111011001000
31021012002022002221
4131033112323020
52001041042240
6120402303424
715104510410
oct3517267310
91235068087
10490565320
11231a02a93
12118357b74
137a83094b
144921b640
152d102a4a
hex1d3d6ec8

490565320 has 64 divisors (see below), whose sum is σ = 1288327680. Its totient is φ = 164610816.

The previous prime is 490565303. The next prime is 490565323. The reversal of 490565320 is 23565094.

It is not an unprimeable number, because it can be changed into a prime (490565323) 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 15 ways as a sum of consecutive naturals, for example, 5479 + ... + 31798.

It is an arithmetic number, because the mean of its divisors is an integer number (20130120).

Almost surely, 2490565320 is an apocalyptic number.

490565320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490565320 is an abundant number, since it is smaller than the sum of its proper divisors (797762360).

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

490565320 is a wasteful number, since it uses less digits than its factorization.

490565320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37342 (or 37338 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 490565320 is about 22148.7092174691. The cubic root of 490565320 is about 788.6765857180.

It can be divided in two parts, 4905 and 65320, that added together give a square (70225 = 2652).

The spelling of 490565320 in words is "four hundred ninety million, five hundred sixty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 47 56 70 94 140 188 235 280 329 376 470 658 940 1316 1645 1880 2632 3290 6580 13160 37277 74554 149108 186385 260939 298216 372770 521878 745540 1043756 1304695 1491080 1752019 2087512 2609390 3504038 5218780 7008076 8760095 10437560 12264133 14016152 17520190 24528266 35040380 49056532 61320665 70080760 98113064 122641330 245282660 490565320