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68533944 = 2332855581
BaseRepresentation
bin1000001010110…
…11111010111000
311202221212220020
410011123322320
5120021041234
610444530440
71461346263
oct405337270
9152855806
1068533944
113575a626
121ab50a20
131127743b
14915dcda
15603b549
hex415beb8

68533944 has 16 divisors (see below), whose sum is σ = 171334920. Its totient is φ = 22844640.

The previous prime is 68533939. The next prime is 68533973. The reversal of 68533944 is 44933586.

It is a junction number, because it is equal to n+sod(n) for n = 68533896 and 68533905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427767 + ... + 1427814.

Almost surely, 268533944 is an apocalyptic number.

It is an amenable number.

68533944 is an abundant number, since it is smaller than the sum of its proper divisors (102800976).

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

68533944 is a wasteful number, since it uses less digits than its factorization.

68533944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855590 (or 2855586 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The square root of 68533944 is about 8278.5230566811. The cubic root of 68533944 is about 409.2310473333.

The spelling of 68533944 in words is "sixty-eight million, five hundred thirty-three thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2855581 5711162 8566743 11422324 17133486 22844648 34266972 68533944