Search a number
-
+
68368328 = 2372237583
BaseRepresentation
bin1000001001100…
…11011111001000
311202122110201022
410010303133020
5120000241303
610441212012
71460056400
oct404633710
9152573638
1068368328
1135657156
121aa91008
1311219c42
149119800
156007438
hex41337c8

68368328 has 48 divisors (see below), whose sum is σ = 155623680. Its totient is φ = 28023072.

The previous prime is 68368303. The next prime is 68368337. The reversal of 68368328 is 82386386.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5225 + ... + 12807.

It is an arithmetic number, because the mean of its divisors is an integer number (3242160).

Almost surely, 268368328 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 68368328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77811840).

68368328 is an abundant number, since it is smaller than the sum of its proper divisors (87255352).

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

68368328 is a wasteful number, since it uses less digits than its factorization.

68368328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626 (or 7615 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 68368328 is about 8268.5142558987. The cubic root of 68368328 is about 408.9011384213.

The spelling of 68368328 in words is "sixty-eight million, three hundred sixty-eight thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 23 28 46 49 56 92 98 161 184 196 322 392 644 1127 1288 2254 4508 7583 9016 15166 30332 53081 60664 106162 174409 212324 348818 371567 424648 697636 743134 1220863 1395272 1486268 2441726 2972536 4883452 8546041 9766904 17092082 34184164 68368328