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680754600 = 2332521312887
BaseRepresentation
bin101000100100110…
…111110110101000
31202102221220202100
4220210313312220
52343233121400
6151314533400
722604214201
oct5044676650
91672856670
10680754600
1131a2a5009
1216bb97260
13ab061596
14665a85a8
153eb70100
hex28937da8

680754600 has 144 divisors (see below), whose sum is σ = 2304450720. Its totient is φ = 180086400.

The previous prime is 680754593. The next prime is 680754619. The reversal of 680754600 is 6457086.

It is a happy number.

680754600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 234357 + ... + 237243.

It is an arithmetic number, because the mean of its divisors is an integer number (16003130).

Almost surely, 2680754600 is an apocalyptic number.

680754600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680754600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152225360).

680754600 is an abundant number, since it is smaller than the sum of its proper divisors (1623696120).

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

680754600 is a wasteful number, since it uses less digits than its factorization.

680754600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3028 counting only the distinct ones).

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

The square root of 680754600 is about 26091.2744035243. The cubic root of 680754600 is about 879.6910933677.

The spelling of 680754600 in words is "six hundred eighty million, seven hundred fifty-four thousand, six hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 131 150 180 200 225 262 300 360 393 450 524 600 655 786 900 1048 1179 1310 1572 1800 1965 2358 2620 2887 3144 3275 3930 4716 5240 5774 5895 6550 7860 8661 9432 9825 11548 11790 13100 14435 15720 17322 19650 23096 23580 25983 26200 28870 29475 34644 39300 43305 47160 51966 57740 58950 69288 72175 78600 86610 103932 115480 117900 129915 144350 173220 207864 216525 235800 259830 288700 346440 378197 433050 519660 577400 649575 756394 866100 1039320 1134591 1299150 1512788 1732200 1890985 2269182 2598300 3025576 3403773 3781970 4538364 5196600 5672955 6807546 7563940 9076728 9454925 11345910 13615092 15127880 17018865 18909850 22691820 27230184 28364775 34037730 37819700 45383640 56729550 68075460 75639400 85094325 113459100 136150920 170188650 226918200 340377300 680754600