Search a number
-
+
78097068 = 22337195437
BaseRepresentation
bin1001010011110…
…10101010101100
312102221202001000
410221322222230
5124443101233
611425520300
71635546150
oct451725254
9172852030
1078097068
11400a1535
12221a3090
13132451aa
14a52d060
156cc9d13
hex4a7aaac

78097068 has 96 divisors (see below), whose sum is σ = 243622400. Its totient is φ = 21135168.

The previous prime is 78097057. The next prime is 78097069. The reversal of 78097068 is 86079087.

It is not an unprimeable number, because it can be changed into a prime (78097069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11646 + ... + 17082.

Almost surely, 278097068 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 78097068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121811200).

78097068 is an abundant number, since it is smaller than the sum of its proper divisors (165525332).

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

78097068 is a wasteful number, since it uses less digits than its factorization.

78097068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476 (or 5468 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 78097068 is about 8837.2545510469. The cubic root of 78097068 is about 427.4430333449.

The spelling of 78097068 in words is "seventy-eight million, ninety-seven thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 54 57 63 76 84 108 114 126 133 171 189 228 252 266 342 378 399 513 532 684 756 798 1026 1197 1596 2052 2394 3591 4788 5437 7182 10874 14364 16311 21748 32622 38059 48933 65244 76118 97866 103303 114177 146799 152236 195732 206606 228354 293598 309909 342531 413212 456708 587196 619818 685062 723121 929727 1027593 1239636 1370124 1446242 1859454 2055186 2169363 2789181 2892484 3718908 4110372 4338726 5578362 6508089 8677452 11156724 13016178 19524267 26032356 39048534 78097068