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68755416 = 23353191283
BaseRepresentation
bin1000001100100…
…01111111011000
311210101010200220
410012101333120
5120100133131
610453400040
71463261052
oct406217730
9153333626
1068755416
11358a0a64
121b039020
13113241a2
1491ba8d2
156081e96
hex4191fd8

68755416 has 64 divisors (see below), whose sum is σ = 176670720. Its totient is φ = 22289280.

The previous prime is 68755411. The next prime is 68755417. The reversal of 68755416 is 61455786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68755411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242811 + ... + 243093.

It is an arithmetic number, because the mean of its divisors is an integer number (2760480).

Almost surely, 268755416 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 68755416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88335360).

68755416 is an abundant number, since it is smaller than the sum of its proper divisors (107915304).

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

68755416 is a wasteful number, since it uses less digits than its factorization.

68755416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 532 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 68755416 is about 8291.8885665450. Note that the first 3 decimals coincide. The cubic root of 68755416 is about 409.6713924579.

The spelling of 68755416 in words is "sixty-eight million, seven hundred fifty-five thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 191 212 283 318 382 424 566 573 636 764 849 1132 1146 1272 1528 1698 2264 2292 3396 4584 6792 10123 14999 20246 29998 30369 40492 44997 54053 59996 60738 80984 89994 108106 119992 121476 162159 179988 216212 242952 324318 359976 432424 648636 1297272 2864809 5729618 8594427 11459236 17188854 22918472 34377708 68755416