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68930100 = 2232521929139
BaseRepresentation
bin1000001101111…
…00101000110100
311210201000022200
410012330220310
5120121230400
610501224500
71464616251
oct406745064
9153630280
1068930100
1135a00228
121b102130
1311385855
149224428
1560b8b00
hex41bca34

68930100 has 216 divisors, whose sum is σ = 236964000. Its totient is φ = 16692480.

The previous prime is 68930093. The next prime is 68930101. The reversal of 68930100 is 103986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68930101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 495831 + ... + 495969.

Almost surely, 268930100 is an apocalyptic number.

68930100 is a gapful number since it is divisible by the number (60) 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 68930100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118482000).

68930100 is an abundant number, since it is smaller than the sum of its proper divisors (168033900).

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

68930100 is a wasteful number, since it uses less digits than its factorization.

68930100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 68930100 is about 8302.4153112212. The cubic root of 68930100 is about 410.0180440205.

The spelling of 68930100 in words is "sixty-eight million, nine hundred thirty thousand, one hundred".