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68174716 = 2217043679
BaseRepresentation
bin1000001000001…
…00001101111100
311202021122010111
410010010031330
5114423042331
610433115404
71455322051
oct404041574
9152248114
1068174716
1135534745
121a9b8b64
131117ca8c
1490a9028
155eb9db1
hex410437c

68174716 has 6 divisors (see below), whose sum is σ = 119305760. Its totient is φ = 34087356.

The previous prime is 68174713. The next prime is 68174719. The reversal of 68174716 is 61747186.

It is an interprime number because it is at equal distance from previous prime (68174713) and next prime (68174719).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68174713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8521836 + ... + 8521843.

Almost surely, 268174716 is an apocalyptic number.

It is an amenable number.

68174716 is a deficient number, since it is larger than the sum of its proper divisors (51131044).

68174716 is a wasteful number, since it uses less digits than its factorization.

68174716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17043683 (or 17043681 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 68174716 is about 8256.7981687819. The cubic root of 68174716 is about 408.5147849769.

The spelling of 68174716 in words is "sixty-eight million, one hundred seventy-four thousand, seven hundred sixteen".

Divisors: 1 2 4 17043679 34087358 68174716