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673478880 = 25351403081
BaseRepresentation
bin101000001001000…
…111100011100000
31201221021021100020
4220021013203200
52334402311010
6150454553440
722455322164
oct5011074340
91657237306
10673478880
11316185718
12169668880
13a96b4a19
1465632ca4
153e1d4470
hex282478e0

673478880 has 48 divisors (see below), whose sum is σ = 2121459984. Its totient is φ = 179594240.

The previous prime is 673478879. The next prime is 673478887. The reversal of 673478880 is 88874376.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673478887) by changing a digit.

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, 701061 + ... + 702020.

It is an arithmetic number, because the mean of its divisors is an integer number (44197083).

Almost surely, 2673478880 is an apocalyptic number.

673478880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673478880 is an abundant number, since it is smaller than the sum of its proper divisors (1447981104).

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

673478880 is a wasteful number, since it uses less digits than its factorization.

673478880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403099 (or 1403091 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 673478880 is about 25951.4716345721. The cubic root of 673478880 is about 876.5458952279.

The spelling of 673478880 in words is "six hundred seventy-three million, four hundred seventy-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1403081 2806162 4209243 5612324 7015405 8418486 11224648 14030810 16836972 21046215 22449296 28061620 33673944 42092430 44898592 56123240 67347888 84184860 112246480 134695776 168369720 224492960 336739440 673478880