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68341080 = 23351374157
BaseRepresentation
bin1000001001011…
…00110101011000
311202121002100010
410010230311120
5114443403310
610440441520
71456614063
oct404546530
9152532303
1068341080
1135638735
121aa792a0
131120a712
14910d8da
155eee320
hex412cd58

68341080 has 64 divisors (see below), whose sum is σ = 206569440. Its totient is φ = 18086912.

The previous prime is 68341069. The next prime is 68341087. The reversal of 68341080 is 8014386.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68341087) 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 15 ways as a sum of consecutive naturals, for example, 14362 + ... + 18518.

Almost surely, 268341080 is an apocalyptic number.

68341080 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 68341080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103284720).

68341080 is an abundant number, since it is smaller than the sum of its proper divisors (138228360).

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

68341080 is a wasteful number, since it uses less digits than its factorization.

68341080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308 (or 4304 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 68341080 is about 8266.8663954367. The cubic root of 68341080 is about 408.8468090798.

The spelling of 68341080 in words is "sixty-eight million, three hundred forty-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 137 274 411 548 685 822 1096 1370 1644 2055 2740 3288 4110 4157 5480 8220 8314 12471 16440 16628 20785 24942 33256 41570 49884 62355 83140 99768 124710 166280 249420 498840 569509 1139018 1708527 2278036 2847545 3417054 4556072 5695090 6834108 8542635 11390180 13668216 17085270 22780360 34170540 68341080