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680948 = 223743107
BaseRepresentation
bin10100110001111110100
31021121002022
42212033310
5133242243
622332312
75534162
oct2461764
91247068
10680948
11425674
1228a098
131aac38
1413a232
15d6b68
hexa63f4

680948 has 24 divisors (see below), whose sum is σ = 1264032. Its totient is φ = 320544.

The previous prime is 680929. The next prime is 680959. The reversal of 680948 is 849086.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680948.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6311 + ... + 6417.

It is an arithmetic number, because the mean of its divisors is an integer number (52668).

2680948 is an apocalyptic number.

It is an amenable number.

680948 is a deficient number, since it is larger than the sum of its proper divisors (583084).

680948 is a wasteful number, since it uses less digits than its factorization.

680948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 680948 is about 825.1957343564. The cubic root of 680948 is about 87.9774391201.

The spelling of 680948 in words is "six hundred eighty thousand, nine hundred forty-eight".

Divisors: 1 2 4 37 43 74 86 107 148 172 214 428 1591 3182 3959 4601 6364 7918 9202 15836 18404 170237 340474 680948