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68076800 = 285211967
BaseRepresentation
bin1000000111011…
…00010100000000
311202002122210222
410003230110000
5114411424200
610431042212
71454433431
oct403542400
9152078728
1068076800
1135478120
121a970368
131114733c
149081488
155e9ad85
hex40ec500

68076800 has 108 divisors (see below), whose sum is σ = 184009056. Its totient is φ = 24729600.

The previous prime is 68076797. The next prime is 68076809. The reversal of 68076800 is 867086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68076809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69917 + ... + 70883.

Almost surely, 268076800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68076800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92004528).

68076800 is an abundant number, since it is smaller than the sum of its proper divisors (115932256).

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

68076800 is a wasteful number, since it uses less digits than its factorization.

68076800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 68076800 is about 8250.8666211496. The cubic root of 68076800 is about 408.3191146884.

The spelling of 68076800 in words is "sixty-eight million, seventy-six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 128 160 176 200 220 256 275 320 352 400 440 550 640 704 800 880 967 1100 1280 1408 1600 1760 1934 2200 2816 3200 3520 3868 4400 4835 6400 7040 7736 8800 9670 10637 14080 15472 17600 19340 21274 24175 30944 35200 38680 42548 48350 53185 61888 70400 77360 85096 96700 106370 123776 154720 170192 193400 212740 247552 265925 309440 340384 386800 425480 531850 618880 680768 773600 850960 1063700 1237760 1361536 1547200 1701920 2127400 2723072 3094400 3403840 4254800 6188800 6807680 8509600 13615360 17019200 34038400 68076800