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68273088 = 26313171609
BaseRepresentation
bin1000001000111…
…00001111000000
311202110122001220
410010130033000
5114434214323
610435155040
71456211622
oct404341700
9152418056
1068273088
11355a1644
121aa45a80
13111b57a0
1490d2c12
155ed90e3
hex411c3c0

68273088 has 112 divisors (see below), whose sum is σ = 206105760. Its totient is φ = 19759104.

The previous prime is 68273087. The next prime is 68273111. The reversal of 68273088 is 88037286.

It is a super-2 number, since 2×682730882 = 9322429090111488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68273081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41628 + ... + 43236.

It is an arithmetic number, because the mean of its divisors is an integer number (1840230).

Almost surely, 268273088 is an apocalyptic number.

68273088 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68273088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103052880).

68273088 is an abundant number, since it is smaller than the sum of its proper divisors (137832672).

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

68273088 is a wasteful number, since it uses less digits than its factorization.

68273088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 68273088 is about 8262.7530521007. The cubic root of 68273088 is about 408.7111779381.

The spelling of 68273088 in words is "sixty-eight million, two hundred seventy-three thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 17 24 26 32 34 39 48 51 52 64 68 78 96 102 104 136 156 192 204 208 221 272 312 408 416 442 544 624 663 816 832 884 1088 1248 1326 1609 1632 1768 2496 2652 3218 3264 3536 4827 5304 6436 7072 9654 10608 12872 14144 19308 20917 21216 25744 27353 38616 41834 42432 51488 54706 62751 77232 82059 83668 102976 109412 125502 154464 164118 167336 218824 251004 308928 328236 334672 355589 437648 502008 656472 669344 711178 875296 1004016 1066767 1312944 1338688 1422356 1750592 2008032 2133534 2625888 2844712 4016064 4267068 5251776 5689424 8534136 11378848 17068272 22757696 34136544 68273088