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68014956 = 22323263937
BaseRepresentation
bin1000000110111…
…01001101101100
311201222111222110
410003131031230
5114402434311
610425444020
71454055222
oct403351554
9151874873
1068014956
1135435709
121a940610
1311125149
149066b12
155e878a6
hex40dd36c

68014956 has 48 divisors (see below), whose sum is σ = 166408704. Its totient is φ = 21580416.

The previous prime is 68014951. The next prime is 68015033. The reversal of 68014956 is 65941086.

It is not an unprimeable number, because it can be changed into a prime (68014951) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 72120 + ... + 73056.

It is an arithmetic number, because the mean of its divisors is an integer number (3466848).

Almost surely, 268014956 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 68014956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83204352).

68014956 is an abundant number, since it is smaller than the sum of its proper divisors (98393748).

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

68014956 is a wasteful number, since it uses less digits than its factorization.

68014956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68014956 is about 8247.1180420799. The cubic root of 68014956 is about 408.1954321323.

The spelling of 68014956 in words is "sixty-eight million, fourteen thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 263 276 526 789 937 1052 1578 1874 2811 3156 3748 5622 6049 11244 12098 18147 21551 24196 36294 43102 64653 72588 86204 129306 246431 258612 492862 739293 985724 1478586 2957172 5667913 11335826 17003739 22671652 34007478 68014956