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68347092 = 223112103457
BaseRepresentation
bin1000001001011…
…10010011010100
311202121101120210
410010232103110
5114444101332
610440525420
71456640442
oct404562324
9152541523
1068347092
1135642200
121aa80870
1311210388
149111b92
156000ecc
hex412e4d4

68347092 has 72 divisors (see below), whose sum is σ = 177381568. Its totient is φ = 20465280.

The previous prime is 68347091. The next prime is 68347093. The reversal of 68347092 is 29074386.

It is an interprime number because it is at equal distance from previous prime (68347091) and next prime (68347093).

It is a self number, because there is not a number n which added to its sum of digits gives 68347092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68347091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149328 + ... + 149784.

Almost surely, 268347092 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 68347092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88690784).

68347092 is an abundant number, since it is smaller than the sum of its proper divisors (109034476).

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

68347092 is a wasteful number, since it uses less digits than its factorization.

68347092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 68347092 is about 8267.2300076870. The cubic root of 68347092 is about 408.8587975497.

The spelling of 68347092 in words is "sixty-eight million, three hundred forty-seven thousand, ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 103 121 132 206 242 309 363 412 457 484 618 726 914 1133 1236 1371 1452 1828 2266 2742 3399 4532 5027 5484 6798 10054 12463 13596 15081 20108 24926 30162 37389 47071 49852 55297 60324 74778 94142 110594 141213 149556 165891 188284 221188 282426 331782 517781 564852 663564 1035562 1553343 2071124 3106686 5695591 6213372 11391182 17086773 22782364 34173546 68347092