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68330432 = 263113433
BaseRepresentation
bin1000001001010…
…10001111000000
311202120112201202
410010222033000
5114443033212
610440320332
71456541042
oct404521700
9152515652
1068330432
1135630735
121aa730a8
1311205911
149109a92
155eeb0c2
hex412a3c0

68330432 has 28 divisors (see below), whose sum is σ = 136068816. Its totient is φ = 34045440.

The previous prime is 68330399. The next prime is 68330443. The reversal of 68330432 is 23403386.

It is a junction number, because it is equal to n+sod(n) for n = 68330395 and 68330404.

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, 18188 + ... + 21620.

Almost surely, 268330432 is an apocalyptic number.

It is an amenable number.

68330432 is a deficient number, since it is larger than the sum of its proper divisors (67738384).

68330432 is a wasteful number, since it uses less digits than its factorization.

68330432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756 (or 3746 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 68330432 is about 8266.2223536510. Note that the first 3 decimals coincide. The cubic root of 68330432 is about 408.8255742825.

The spelling of 68330432 in words is "sixty-eight million, three hundred thirty thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 311 622 1244 2488 3433 4976 6866 9952 13732 19904 27464 54928 109856 219712 1067663 2135326 4270652 8541304 17082608 34165216 68330432