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663330932 = 221131486313
BaseRepresentation
bin100111100010011…
…010000001110100
31201020011200222022
4213202122001310
52324303042212
6145453252312
722303135265
oct4742320164
91636150868
10663330932
11310484390
12166194098
13a7570a14
146415096c
153d37c772
hex2789a074

663330932 has 24 divisors (see below), whose sum is σ = 1307212032. Its totient is φ = 291787200.

The previous prime is 663330929. The next prime is 663330947. The reversal of 663330932 is 239033366.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 663330892 and 663330901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241793 + ... + 244520.

It is an arithmetic number, because the mean of its divisors is an integer number (54467168).

Almost surely, 2663330932 is an apocalyptic number.

663330932 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

663330932 is a deficient number, since it is larger than the sum of its proper divisors (643881100).

663330932 is a wasteful number, since it uses less digits than its factorization.

663330932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486359 (or 486357 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 35.

The square root of 663330932 is about 25755.2117444217. The cubic root of 663330932 is about 872.1210115284.

The spelling of 663330932 in words is "six hundred sixty-three million, three hundred thirty thousand, nine hundred thirty-two".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 486313 972626 1945252 5349443 10698886 15075703 21397772 30151406 60302812 165832733 331665466 663330932