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68503752 = 23332313789
BaseRepresentation
bin1000001010101…
…00100011001000
311202220100111000
410011110203020
5120014110002
610444135000
71461162252
oct405244310
9152810430
1068503752
1135739979
121ab37460
1311266785
149152cd2
15603261c
hex41548c8

68503752 has 64 divisors (see below), whose sum is σ = 198576000. Its totient is φ = 21840192.

The previous prime is 68503741. The next prime is 68503753. The reversal of 68503752 is 25730586.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (68503753) 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, 1927 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (3102750).

Almost surely, 268503752 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 68503752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99288000).

68503752 is an abundant number, since it is smaller than the sum of its proper divisors (130072248).

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

68503752 is a wasteful number, since it uses less digits than its factorization.

68503752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13827 (or 13817 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 68503752 is about 8276.6993421291. The cubic root of 68503752 is about 409.1709441792.

The spelling of 68503752 in words is "sixty-eight million, five hundred three thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 92 108 138 184 207 216 276 414 552 621 828 1242 1656 2484 4968 13789 27578 41367 55156 82734 110312 124101 165468 248202 317147 330936 372303 496404 634294 744606 951441 992808 1268588 1489212 1902882 2537176 2854323 2978424 3805764 5708646 7611528 8562969 11417292 17125938 22834584 34251876 68503752