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63450085 = 512690017
BaseRepresentation
bin1111001000001…
…0101111100101
311102101121011011
43302002233211
5112220400320
610143542221
71400213446
oct362025745
9142347134
1063450085
11328a7a96
12192ba971
13101b743a
1485d92cd
15588505a
hex3c82be5

63450085 has 4 divisors (see below), whose sum is σ = 76140108. Its totient is φ = 50760064.

The previous prime is 63450061. The next prime is 63450113. The reversal of 63450085 is 58005436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42601729 + 20848356 = 6527^2 + 4566^2 .

It is a cyclic number.

It is not a de Polignac number, because 63450085 - 215 = 63417317 is a prime.

It is a super-3 number, since 3×634500853 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 6345004 + ... + 6345013.

It is an arithmetic number, because the mean of its divisors is an integer number (19035027).

Almost surely, 263450085 is an apocalyptic number.

It is an amenable number.

63450085 is a deficient number, since it is larger than the sum of its proper divisors (12690023).

63450085 is a wasteful number, since it uses less digits than its factorization.

63450085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12690022.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 63450085 is about 7965.5561638846. The cubic root of 63450085 is about 398.8510466755.

The spelling of 63450085 in words is "sixty-three million, four hundred fifty thousand, eighty-five".

Divisors: 1 5 12690017 63450085