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285327448 = 2375095133
BaseRepresentation
bin10001000000011…
…100000001011000
3201212220010200021
4101000130001120
51041020434243
644151320224
710033146310
oct2100340130
9655803607
10285327448
1113707280a
127b680074
1347161513
1429c74440
151a0b16ed
hex1101c058

285327448 has 16 divisors (see below), whose sum is σ = 611416080. Its totient is φ = 122283168.

The previous prime is 285327409. The next prime is 285327457. The reversal of 285327448 is 844723582.

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, 2547511 + ... + 2547622.

It is an arithmetic number, because the mean of its divisors is an integer number (38213505).

Almost surely, 2285327448 is an apocalyptic number.

285327448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

285327448 is an abundant number, since it is smaller than the sum of its proper divisors (326088632).

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

285327448 is a wasteful number, since it uses less digits than its factorization.

285327448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095146 (or 5095142 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 285327448 is about 16891.6384048440. The cubic root of 285327448 is about 658.3363733164.

The spelling of 285327448 in words is "two hundred eighty-five million, three hundred twenty-seven thousand, four hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 5095133 10190266 20380532 35665931 40761064 71331862 142663724 285327448