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678793014 = 23312570241
BaseRepresentation
bin101000011101011…
…000111100110110
31202022021020222000
4220131120330312
52342232334024
6151204520130
722551434244
oct5035307466
91668236860
10678793014
11319185269
1216b3b0046
13aa825793
1466217794
153e8d3cc9
hex28758f36

678793014 has 16 divisors (see below), whose sum is σ = 1508429040. Its totient is φ = 226264320.

The previous prime is 678793001. The next prime is 678793061. The reversal of 678793014 is 410397876.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6285067 + ... + 6285174.

It is an arithmetic number, because the mean of its divisors is an integer number (94276815).

Almost surely, 2678793014 is an apocalyptic number.

678793014 is an abundant number, since it is smaller than the sum of its proper divisors (829636026).

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

678793014 is a wasteful number, since it uses less digits than its factorization.

678793014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570252 (or 12570246 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 678793014 is about 26053.6564420428. The cubic root of 678793014 is about 878.8453408194.

The spelling of 678793014 in words is "six hundred seventy-eight million, seven hundred ninety-three thousand, fourteen".

Divisors: 1 2 3 6 9 18 27 54 12570241 25140482 37710723 75421446 113132169 226264338 339396507 678793014