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678304152 = 23333140297
BaseRepresentation
bin101000011011100…
…001100110011000
31202021100102101000
4220123201212120
52342121213102
6151150225000
722544330061
oct5033414630
91667312330
10678304152
11318980a49
1216b1b5160
13aa6b4106
146612b568
153e83901c
hex286e1998

678304152 has 32 divisors (see below), whose sum is σ = 1884178800. Its totient is φ = 226101312.

The previous prime is 678304147. The next prime is 678304153. The reversal of 678304152 is 251403876.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (678304153) by changing a digit.

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, 1569933 + ... + 1570364.

Almost surely, 2678304152 is an apocalyptic number.

It is an amenable number.

678304152 is an abundant number, since it is smaller than the sum of its proper divisors (1205874648).

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

678304152 is a wasteful number, since it uses less digits than its factorization.

678304152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140312 (or 3140302 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 678304152 is about 26044.2729213161. The cubic root of 678304152 is about 878.6343107197.

The spelling of 678304152 in words is "six hundred seventy-eight million, three hundred four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 3140297 6280594 9420891 12561188 18841782 25122376 28262673 37683564 56525346 75367128 84788019 113050692 169576038 226101384 339152076 678304152