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68103750 = 23541113127
BaseRepresentation
bin1000000111100…
…10111001000110
311202011000210010
410003302321012
5114413310000
610431411050
71454605131
oct403627106
9152130703
1068103750
11354963a0
121a983a86
13111566a0
14908b218
155ea3d50
hex40f2e46

68103750 has 160 divisors (see below), whose sum is σ = 201535488. Its totient is φ = 15120000.

The previous prime is 68103731. The next prime is 68103773. The reversal of 68103750 is 5730186.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 536187 + ... + 536313.

Almost surely, 268103750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68103750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100767744).

68103750 is an abundant number, since it is smaller than the sum of its proper divisors (133431738).

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

68103750 is a wasteful number, since it uses less digits than its factorization.

68103750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 68103750 is about 8252.4996213269. The cubic root of 68103750 is about 408.3729888832.

The spelling of 68103750 in words is "sixty-eight million, one hundred three thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 11 13 15 22 25 26 30 33 39 50 55 65 66 75 78 110 125 127 130 143 150 165 195 250 254 275 286 325 330 375 381 390 429 550 625 635 650 715 750 762 825 858 975 1250 1270 1375 1397 1430 1625 1650 1651 1875 1905 1950 2145 2750 2794 3175 3250 3302 3575 3750 3810 4125 4191 4290 4875 4953 6350 6875 6985 7150 8125 8250 8255 8382 9525 9750 9906 10725 13750 13970 15875 16250 16510 17875 18161 19050 20625 20955 21450 24375 24765 31750 34925 35750 36322 41250 41275 41910 47625 48750 49530 53625 54483 69850 79375 82550 89375 90805 95250 104775 107250 108966 123825 158750 174625 178750 181610 206375 209550 238125 247650 268125 272415 349250 412750 454025 476250 523875 536250 544830 619125 873125 908050 1031875 1047750 1238250 1362075 1746250 2063750 2270125 2619375 2724150 3095625 4540250 5238750 6191250 6810375 11350625 13620750 22701250 34051875 68103750