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68576060 = 2257716899
BaseRepresentation
bin1000001011001…
…10001100111100
311210001000200002
410011212030330
5120023413220
610445453432
71461613130
oct405461474
9153030602
1068576060
1135789233
121ab71278
1311290667
1491713c0
156048c75
hex416633c

68576060 has 48 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 23177280.

The previous prime is 68576051. The next prime is 68576069. The reversal of 68576060 is 6067586.

It is an interprime number because it is at equal distance from previous prime (68576051) and next prime (68576069).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68576069) 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, 6491 + ... + 13389.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 268576060 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 68576060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83462400).

68576060 is an abundant number, since it is smaller than the sum of its proper divisors (98348740).

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

68576060 is a wasteful number, since it uses less digits than its factorization.

68576060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986 (or 6984 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 68576060 is about 8281.0663564543. The cubic root of 68576060 is about 409.3148580918.

The spelling of 68576060 in words is "sixty-eight million, five hundred seventy-six thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 71 140 142 284 355 497 710 994 1420 1988 2485 4970 6899 9940 13798 27596 34495 48293 68990 96586 137980 193172 241465 482930 489829 965860 979658 1959316 2449145 3428803 4898290 6857606 9796580 13715212 17144015 34288030 68576060