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68024160 = 2532597487
BaseRepresentation
bin1000000110111…
…11011101100000
311201222222121100
410003133131200
5114403233120
610425554400
71454124111
oct403373540
9151888540
1068024160
1135441616
121a945a00
13111293a9
14906a208
155e8a490
hex40df760

68024160 has 144 divisors (see below), whose sum is σ = 235007136. Its totient is φ = 17915904.

The previous prime is 68024149. The next prime is 68024189. The reversal of 68024160 is 6142086.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139437 + ... + 139923.

It is an arithmetic number, because the mean of its divisors is an integer number (1631994).

Almost surely, 268024160 is an apocalyptic number.

68024160 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 68024160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117503568).

68024160 is an abundant number, since it is smaller than the sum of its proper divisors (166982976).

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

68024160 is a wasteful number, since it uses less digits than its factorization.

68024160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 68024160 is about 8247.6760363147. The cubic root of 68024160 is about 408.2138440695.

The spelling of 68024160 in words is "sixty-eight million, twenty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 97 120 144 160 180 194 240 288 291 360 388 480 485 487 582 720 776 873 970 974 1164 1440 1455 1461 1552 1746 1940 1948 2328 2435 2910 2922 3104 3492 3880 3896 4365 4383 4656 4870 5820 5844 6984 7305 7760 7792 8730 8766 9312 9740 11640 11688 13968 14610 15520 15584 17460 17532 19480 21915 23280 23376 27936 29220 34920 35064 38960 43830 46560 46752 47239 58440 69840 70128 77920 87660 94478 116880 139680 140256 141717 175320 188956 233760 236195 283434 350640 377912 425151 472390 566868 701280 708585 755824 850302 944780 1133736 1417170 1511648 1700604 1889560 2125755 2267472 2834340 3401208 3779120 4251510 4534944 5668680 6802416 7558240 8503020 11337360 13604832 17006040 22674720 34012080 68024160