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285275468 = 22536012239
BaseRepresentation
bin10001000000001…
…111010101001100
3201212210111101002
4101000033111030
51041012303333
644150235432
710032541622
oct2100172514
9655714332
10285275468
11137037755
127b655b78
134714396a
1429c5d512
151a0a10e8
hex1100f54c

285275468 has 24 divisors (see below), whose sum is σ = 509725440. Its totient is φ = 139651200.

The previous prime is 285275461. The next prime is 285275479. The reversal of 285275468 is 864572582.

It is not an unprimeable number, because it can be changed into a prime (285275461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126293 + ... + 128531.

It is an arithmetic number, because the mean of its divisors is an integer number (21238560).

Almost surely, 2285275468 is an apocalyptic number.

It is an amenable number.

285275468 is a deficient number, since it is larger than the sum of its proper divisors (224449972).

285275468 is a wasteful number, since it uses less digits than its factorization.

285275468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2895 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 285275468 is about 16890.0997036726. The cubic root of 285275468 is about 658.2963930491.

The spelling of 285275468 in words is "two hundred eighty-five million, two hundred seventy-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 53 106 212 601 1202 2239 2404 4478 8956 31853 63706 118667 127412 237334 474668 1345639 2691278 5382556 71318867 142637734 285275468