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68473392 = 24313223367
BaseRepresentation
bin1000001010011…
…01001000110000
311202211210211120
410011031020300
5120012122032
610443342240
71461004611
oct405151060
9152753746
1068473392
1135719089
121ab21980
1311255a00
149145c08
15602862c
hex414d230

68473392 has 120 divisors (see below), whose sum is σ = 200415744. Its totient is φ = 20097792.

The previous prime is 68473381. The next prime is 68473409. The reversal of 68473392 is 29337486.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186393 + ... + 186759.

Almost surely, 268473392 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 68473392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100207872).

68473392 is an abundant number, since it is smaller than the sum of its proper divisors (131942352).

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

68473392 is a wasteful number, since it uses less digits than its factorization.

68473392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 408 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 68473392 is about 8274.8650744287. The cubic root of 68473392 is about 409.1104887778.

The spelling of 68473392 in words is "sixty-eight million, four hundred seventy-three thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 23 24 26 39 46 48 52 69 78 92 104 138 156 169 184 208 276 299 312 338 367 368 507 552 598 624 676 734 897 1014 1101 1104 1196 1352 1468 1794 2028 2202 2392 2704 2936 3588 3887 4056 4404 4771 4784 5872 7176 7774 8112 8441 8808 9542 11661 14313 14352 15548 16882 17616 19084 23322 25323 28626 31096 33764 38168 46644 50646 57252 62023 62192 67528 76336 93288 101292 109733 114504 124046 135056 186069 186576 202584 219466 229008 248092 329199 372138 405168 438932 496184 658398 744276 877864 992368 1316796 1426529 1488552 1755728 2633592 2853058 2977104 4279587 5267184 5706116 8559174 11412232 17118348 22824464 34236696 68473392