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68502168 = 23327199683
BaseRepresentation
bin1000001010101…
…00001010011000
311202220021022100
410011110022120
5120014032133
610444123400
71461154530
oct405241230
9152807270
1068502168
1135738769
121ab36560
1311265b37
1491524c0
156031e13
hex4154298

68502168 has 96 divisors (see below), whose sum is σ = 213408000. Its totient is φ = 19445184.

The previous prime is 68502151. The next prime is 68502169. The reversal of 68502168 is 86120586.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68502169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99955 + ... + 100637.

It is an arithmetic number, because the mean of its divisors is an integer number (2223000).

Almost surely, 268502168 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 68502168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106704000).

68502168 is an abundant number, since it is smaller than the sum of its proper divisors (144905832).

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

68502168 is a wasteful number, since it uses less digits than its factorization.

68502168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 68502168 is about 8276.6036512570. The cubic root of 68502168 is about 409.1677904260.

The spelling of 68502168 in words is "sixty-eight million, five hundred two thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 199 252 398 504 597 683 796 1194 1366 1393 1592 1791 2049 2388 2732 2786 3582 4098 4179 4776 4781 5464 5572 6147 7164 8196 8358 9562 11144 12294 12537 14328 14343 16392 16716 19124 24588 25074 28686 33432 38248 43029 49176 50148 57372 86058 100296 114744 135917 172116 271834 344232 407751 543668 815502 951419 1087336 1223253 1631004 1902838 2446506 2854257 3262008 3805676 4893012 5708514 7611352 8562771 9786024 11417028 17125542 22834056 34251084 68502168