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63486468 = 22321763513
BaseRepresentation
bin1111001000101…
…1101000000100
311102110110001200
43302023220010
5112223031333
610144422500
71400424513
oct362135004
9142413050
1063486468
1132922361
1219317a30
13101cab76
14860867a
155890c13
hex3c8ba04

63486468 has 18 divisors (see below), whose sum is σ = 160479774. Its totient is φ = 21162144.

The previous prime is 63486457. The next prime is 63486473. The reversal of 63486468 is 86468436.

63486468 is a `hidden beast` number, since 634 + 8 + 6 + 4 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60093504 + 3392964 = 7752^2 + 1842^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 881721 + ... + 881792.

It is an arithmetic number, because the mean of its divisors is an integer number (8915543).

Almost surely, 263486468 is an apocalyptic number.

It is an amenable number.

63486468 is an abundant number, since it is smaller than the sum of its proper divisors (96993306).

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

63486468 is a wasteful number, since it uses less digits than its factorization.

63486468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763523 (or 1763518 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 63486468 is about 7967.8396068194. The cubic root of 63486468 is about 398.9272673501.

The spelling of 63486468 in words is "sixty-three million, four hundred eighty-six thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1763513 3527026 5290539 7054052 10581078 15871617 21162156 31743234 63486468