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68047796 = 2224170589
BaseRepresentation
bin1000000111001…
…01001110110100
311202001012000202
410003211032310
5114410012141
610430300032
71454253035
oct403451664
9152035022
1068047796
1135458353
121a957618
131113708b
149074a8c
155e9249b
hex40e53b4

68047796 has 12 divisors (see below), whose sum is σ = 119579460. Its totient is φ = 33882240.

The previous prime is 68047789. The next prime is 68047807. The reversal of 68047796 is 69774086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34058896 + 33988900 = 5836^2 + 5830^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68047796.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34331 + ... + 36258.

It is an arithmetic number, because the mean of its divisors is an integer number (9964955).

Almost surely, 268047796 is an apocalyptic number.

It is an amenable number.

68047796 is a deficient number, since it is larger than the sum of its proper divisors (51531664).

68047796 is a wasteful number, since it uses less digits than its factorization.

68047796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70834 (or 70832 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 68047796 is about 8249.1088003493. The cubic root of 68047796 is about 408.2611185728.

The spelling of 68047796 in words is "sixty-eight million, forty-seven thousand, seven hundred ninety-six".

Divisors: 1 2 4 241 482 964 70589 141178 282356 17011949 34023898 68047796