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68738592 = 2531355079
BaseRepresentation
bin1000001100011…
…01111000100000
311210100021121210
410012031320200
5120044113332
610453150120
71463161026
oct406157040
9153307553
1068738592
113588a35a
121b02b340
1311319630
1491b4716
15607becc
hex418de20

68738592 has 48 divisors (see below), whose sum is σ = 194322240. Its totient is φ = 21149952.

The previous prime is 68738569. The next prime is 68738627. The reversal of 68738592 is 29583786.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26292 + ... + 28787.

It is an arithmetic number, because the mean of its divisors is an integer number (4048380).

Almost surely, 268738592 is an apocalyptic number.

It is an amenable number.

68738592 is an abundant number, since it is smaller than the sum of its proper divisors (125583648).

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

68738592 is a wasteful number, since it uses less digits than its factorization.

68738592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55105 (or 55097 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 68738592 is about 8290.8740190646. The cubic root of 68738592 is about 409.6379750965.

The spelling of 68738592 in words is "sixty-eight million, seven hundred thirty-eight thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 55079 110158 165237 220316 330474 440632 660948 716027 881264 1321896 1432054 1762528 2148081 2643792 2864108 4296162 5287584 5728216 8592324 11456432 17184648 22912864 34369296 68738592