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63946284 = 2235328857
BaseRepresentation
bin1111001111101…
…1111000101100
311110022210210220
43303323320230
5112332240114
610202331340
71404351213
oct363737054
9143283726
1063946284
1133106876
12194b9b50
131032c24c
1486c807a
1559320a9
hex3cfbe2c

63946284 has 12 divisors (see below), whose sum is σ = 149208024. Its totient is φ = 21315424.

The previous prime is 63946283. The next prime is 63946297. The reversal of 63946284 is 48264936.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (63946283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2664417 + ... + 2664440.

It is an arithmetic number, because the mean of its divisors is an integer number (12434002).

Almost surely, 263946284 is an apocalyptic number.

It is an amenable number.

63946284 is an abundant number, since it is smaller than the sum of its proper divisors (85261740).

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

63946284 is a wasteful number, since it uses less digits than its factorization.

63946284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328864 (or 5328862 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 63946284 is about 7996.6420452587. The cubic root of 63946284 is about 399.8880603434. Note that the first 3 decimals are identical.

The spelling of 63946284 in words is "sixty-three million, nine hundred forty-six thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 5328857 10657714 15986571 21315428 31973142 63946284