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68174964 = 22321113171941
BaseRepresentation
bin1000001000001…
…00010001110100
311202021122110200
410010010101310
5114423044324
610433120500
71455322554
oct404042164
9152248420
1068174964
1135534950
121a9b9130
131117cc20
1490a9164
155eb9ec9
hex4104474

68174964 has 288 divisors, whose sum is σ = 231154560. Its totient is φ = 16588800.

The previous prime is 68174959. The next prime is 68174999. The reversal of 68174964 is 46947186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1662784 + ... + 1662824.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 268174964 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 68174964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115577280).

68174964 is an abundant number, since it is smaller than the sum of its proper divisors (162979596).

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

68174964 is a wasteful number, since it uses less digits than its factorization.

68174964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 106 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 68174964 is about 8256.8131866962. The cubic root of 68174964 is about 408.5152803294.

It can be divided in two parts, 6817 and 4964, that added together give a triangular number (11781 = T153).

The spelling of 68174964 in words is "sixty-eight million, one hundred seventy-four thousand, nine hundred sixty-four".