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489297775 = 5261320851
BaseRepresentation
bin11101001010100…
…001011101101111
31021002200220100211
4131022201131233
52000230012100
6120315203251
715060651061
oct3512413557
91232626324
10489297775
1123121772a
12117a46527
137a4a8a15
1448dab731
152ce521ba
hex1d2a176f

489297775 has 12 divisors (see below), whose sum is σ = 616677544. Its totient is φ = 385020000.

The previous prime is 489297763. The next prime is 489297793. The reversal of 489297775 is 577792984.

It is not a de Polignac number, because 489297775 - 219 = 488773487 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 158901 + ... + 161950.

Almost surely, 2489297775 is an apocalyptic number.

489297775 is a deficient number, since it is larger than the sum of its proper divisors (127379769).

489297775 is a wasteful number, since it uses less digits than its factorization.

489297775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320922 (or 320917 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 58.

The square root of 489297775 is about 22120.0762882952. The cubic root of 489297775 is about 787.9967270128.

The spelling of 489297775 in words is "four hundred eighty-nine million, two hundred ninety-seven thousand, seven hundred seventy-five".

Divisors: 1 5 25 61 305 1525 320851 1604255 8021275 19571911 97859555 489297775