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68014030 = 2571496521
BaseRepresentation
bin1000000110111…
…00111111001110
311201222110201011
410003130333032
5114402422110
610425435434
71454052430
oct403347716
9151873634
1068014030
1135434a47
121a93bb7a
13111248b6
149066650
155e8748a
hex40dcfce

68014030 has 32 divisors (see below), whose sum is σ = 140875200. Its totient is φ = 23159040.

The previous prime is 68014007. The next prime is 68014033. The reversal of 68014030 is 3041086.

It is a junction number, because it is equal to n+sod(n) for n = 68013992 and 68014010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68014033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7170 + ... + 13690.

It is an arithmetic number, because the mean of its divisors is an integer number (4402350).

Almost surely, 268014030 is an apocalyptic number.

68014030 is an abundant number, since it is smaller than the sum of its proper divisors (72861170).

68014030 is a wasteful number, since it uses less digits than its factorization.

68014030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 68014030 is about 8247.0619010651. The cubic root of 68014030 is about 408.1935796442.

The spelling of 68014030 in words is "sixty-eight million, fourteen thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 149 298 745 1043 1490 2086 5215 6521 10430 13042 32605 45647 65210 91294 228235 456470 971629 1943258 4858145 6801403 9716290 13602806 34007015 68014030