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68943296 = 261763367
BaseRepresentation
bin1000001101111…
…11110111000000
311210201200102102
410012333313000
5120122141141
610501405532
71465002602
oct406776700
9153650372
1068943296
1135a0a134
121b1098a8
131138b866
149229172
1560bc99b
hex41bfdc0

68943296 has 28 divisors (see below), whose sum is σ = 144859248. Its totient is φ = 32443392.

The previous prime is 68943293. The next prime is 68943311. The reversal of 68943296 is 69234986.

It is a self number, because there is not a number n which added to its sum of digits gives 68943296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68943293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30596 + ... + 32771.

Almost surely, 268943296 is an apocalyptic number.

It is an amenable number.

68943296 is an abundant number, since it is smaller than the sum of its proper divisors (75915952).

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

68943296 is a wasteful number, since it uses less digits than its factorization.

68943296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63396 (or 63386 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 68943296 is about 8303.2099816878. The cubic root of 68943296 is about 410.0442070120.

The spelling of 68943296 in words is "sixty-eight million, nine hundred forty-three thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 63367 126734 253468 506936 1013872 1077239 2027744 2154478 4055488 4308956 8617912 17235824 34471648 68943296