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678793046 = 23728332413
BaseRepresentation
bin101000011101011…
…000111101010110
31202022021021000012
4220131120331112
52342232334141
6151204520222
722551434321
oct5035307526
91668237005
10678793046
11319185298
1216b3b0072
13aa8257b9
14662177b8
153e8d3ceb
hex28758f56

678793046 has 16 divisors (see below), whose sum is σ = 1049435664. Its totient is φ = 329046624.

The previous prime is 678793001. The next prime is 678793061. The reversal of 678793046 is 640397876.

It is a junction number, because it is equal to n+sod(n) for n = 678792985 and 678793003.

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, 4736 + ... + 37148.

It is an arithmetic number, because the mean of its divisors is an integer number (65589729).

Almost surely, 2678793046 is an apocalyptic number.

678793046 is a deficient number, since it is larger than the sum of its proper divisors (370642618).

678793046 is a wasteful number, since it uses less digits than its factorization.

678793046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32735.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The square root of 678793046 is about 26053.6570561601. The cubic root of 678793046 is about 878.8453546297.

The spelling of 678793046 in words is "six hundred seventy-eight million, seven hundred ninety-three thousand, forty-six".

Divisors: 1 2 37 74 283 566 10471 20942 32413 64826 1199281 2398562 9172879 18345758 339396523 678793046