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68924856 = 2337111319151
BaseRepresentation
bin1000001101110…
…11010110111000
311210200202010110
410012323112320
5120121043411
610501144320
71464565050
oct406732670
9153622113
1068924856
11359a72a0
121b0bb0a0
1311383350
149222560
1560b72a6
hex41bb5b8

68924856 has 256 divisors, whose sum is σ = 245145600. Its totient is φ = 15552000.

The previous prime is 68924831. The next prime is 68924879. The reversal of 68924856 is 65842986.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 456381 + ... + 456531.

It is an arithmetic number, because the mean of its divisors is an integer number (957600).

Almost surely, 268924856 is an apocalyptic number.

68924856 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68924856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122572800).

68924856 is an abundant number, since it is smaller than the sum of its proper divisors (176220744).

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

68924856 is a wasteful number, since it uses less digits than its factorization.

68924856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 206 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 68924856 is about 8302.0994935016. The cubic root of 68924856 is about 410.0076460997.

The spelling of 68924856 in words is "sixty-eight million, nine hundred twenty-four thousand, eight hundred fifty-six".