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68455062 = 232131989173
BaseRepresentation
bin1000001010010…
…00101010010110
311202210212200200
410011020222112
5120011030222
610443121330
71460600304
oct405105226
9152725620
1068455062
1135706335
121ab13246
131124a570
14913d274
156022eac
hex4148a96

68455062 has 96 divisors (see below), whose sum is σ = 171007200. Its totient is φ = 19616256.

The previous prime is 68455031. The next prime is 68455067. The reversal of 68455062 is 26055486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68455067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395608 + ... + 395780.

It is an arithmetic number, because the mean of its divisors is an integer number (1781325).

Almost surely, 268455062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68455062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85503600).

68455062 is an abundant number, since it is smaller than the sum of its proper divisors (102552138).

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

68455062 is a wasteful number, since it uses less digits than its factorization.

68455062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 68455062 is about 8273.7574293667. The cubic root of 68455062 is about 409.0739798786.

The spelling of 68455062 in words is "sixty-eight million, four hundred fifty-five thousand, sixty-two".

Divisors: 1 2 3 6 9 13 18 19 26 38 39 57 78 89 114 117 171 173 178 234 247 267 342 346 494 519 534 741 801 1038 1157 1482 1557 1602 1691 2223 2249 2314 3114 3287 3382 3471 4446 4498 5073 6574 6747 6942 9861 10146 10413 13494 15219 15397 19722 20241 20826 21983 29583 30438 30794 40482 42731 43966 46191 59166 65949 85462 92382 128193 131898 138573 197847 200161 256386 277146 292543 384579 395694 400322 585086 600483 769158 877629 1200966 1755258 1801449 2632887 3602898 3803059 5265774 7606118 11409177 22818354 34227531 68455062