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450487868 = 221795931061
BaseRepresentation
bin11010110110011…
…110011000111100
31011101200011011212
4122312132120330
51410311102433
6112411303552
714110040465
oct3266363074
91141604155
10450487868
1121131a226
12106a4abb8
137243aa8c
1443b87d6c
1529837d48
hex1ad9e63c

450487868 has 24 divisors (see below), whose sum is σ = 794843280. Its totient is φ = 223397120.

The previous prime is 450487841. The next prime is 450487871. The reversal of 450487868 is 868784054.

It is a congruent number.

It is an unprimeable number.

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, 424058 + ... + 425118.

It is an arithmetic number, because the mean of its divisors is an integer number (33118470).

Almost surely, 2450487868 is an apocalyptic number.

It is an amenable number.

450487868 is a deficient number, since it is larger than the sum of its proper divisors (344355412).

450487868 is a wasteful number, since it uses less digits than its factorization.

450487868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The square root of 450487868 is about 21224.6994796157. The cubic root of 450487868 is about 766.5862641160.

The spelling of 450487868 in words is "four hundred fifty million, four hundred eighty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 4 179 358 593 716 1061 1186 2122 2372 4244 106147 189919 212294 379838 424588 629173 759676 1258346 2516692 112621967 225243934 450487868