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40284488 = 239751913
BaseRepresentation
bin1001100110101…
…1000101001000
32210210122221002
42121223011020
540303100423
63555234132
7666261326
oct231530510
983718832
1040284488
1120815372
12115a8948
13846619a
1454c8d16
15380b228
hex266b148

40284488 has 16 divisors (see below), whose sum is σ = 76313580. Its totient is φ = 19934208.

The previous prime is 40284481. The next prime is 40284529. The reversal of 40284488 is 88448204.

It can be written as a sum of positive squares in 2 ways, for example, as 40170244 + 114244 = 6338^2 + 338^2 .

It is not an unprimeable number, because it can be changed into a prime (40284481) 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 3 ways as a sum of consecutive naturals, for example, 25181 + ... + 26732.

Almost surely, 240284488 is an apocalyptic number.

It is an amenable number.

40284488 is a deficient number, since it is larger than the sum of its proper divisors (36029092).

40284488 is a wasteful number, since it uses less digits than its factorization.

40284488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52016 (or 52012 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 38.

The square root of 40284488 is about 6347.0062234096. The cubic root of 40284488 is about 342.8040541478.

The spelling of 40284488 in words is "forty million, two hundred eighty-four thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 97 194 388 776 51913 103826 207652 415304 5035561 10071122 20142244 40284488