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68377332 = 22317379059
BaseRepresentation
bin1000001001101…
…01101011110100
311202122221001210
410010311223310
5120001033312
610441321420
71460124552
oct404655364
9152587053
1068377332
11356629a1
121aa96270
131122107a
14911cbd2
156009e3c
hex4135af4

68377332 has 48 divisors (see below), whose sum is σ = 173517120. Its totient is φ = 20869632.

The previous prime is 68377327. The next prime is 68377343. The reversal of 68377332 is 23377386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3019 + ... + 12077.

It is an arithmetic number, because the mean of its divisors is an integer number (3614940).

Almost surely, 268377332 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 68377332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86758560).

68377332 is an abundant number, since it is smaller than the sum of its proper divisors (105139788).

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

68377332 is a wasteful number, since it uses less digits than its factorization.

68377332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120 (or 9118 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 68377332 is about 8269.0587130580. The cubic root of 68377332 is about 408.9190881764.

The spelling of 68377332 in words is "sixty-eight million, three hundred seventy-seven thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 37 51 68 74 102 111 148 204 222 444 629 1258 1887 2516 3774 7548 9059 18118 27177 36236 54354 108708 154003 308006 335183 462009 616012 670366 924018 1005549 1340732 1848036 2011098 4022196 5698111 11396222 17094333 22792444 34188666 68377332