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68875722 = 23219375443
BaseRepresentation
bin1000001101011…
…11010111001010
311210121020201200
410012233113022
5120113010342
610500125030
71464301566
oct406572712
9153536650
1068875722
1135973393
121b096776
1311366b86
14920c6a6
1560a794c
hex41af5ca

68875722 has 48 divisors (see below), whose sum is σ = 161360160. Its totient is φ = 21158496.

The previous prime is 68875693. The next prime is 68875747. The reversal of 68875722 is 22757886.

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, 9933 + ... + 15375.

It is an arithmetic number, because the mean of its divisors is an integer number (3361670).

Almost surely, 268875722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68875722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80680080).

68875722 is an abundant number, since it is smaller than the sum of its proper divisors (92484438).

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

68875722 is a wasteful number, since it uses less digits than its factorization.

68875722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507 (or 5504 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 68875722 is about 8299.1398349468. The cubic root of 68875722 is about 409.9101964727.

The spelling of 68875722 in words is "sixty-eight million, eight hundred seventy-five thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 9 18 19 37 38 57 74 111 114 171 222 333 342 666 703 1406 2109 4218 5443 6327 10886 12654 16329 32658 48987 97974 103417 201391 206834 310251 402782 604173 620502 930753 1208346 1812519 1861506 3625038 3826429 7652858 11479287 22958574 34437861 68875722