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68898368 = 2671123141
BaseRepresentation
bin1000001101101…
…00111001000000
311210122101210102
410012310321000
5120114221433
610500421532
71464424610
oct406647100
9153571712
1068898368
1135989400
121b0a78a8
1311374286
149216a40
1560ae4e8
hex41b4e40

68898368 has 168 divisors, whose sum is σ = 181612032. Its totient is φ = 25344000.

The previous prime is 68898343. The next prime is 68898391. The reversal of 68898368 is 86389886.

It is a super-2 number, since 2×688983682 = 9493970226126848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

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, 1680428 + ... + 1680468.

It is an arithmetic number, because the mean of its divisors is an integer number (1081024).

Almost surely, 268898368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68898368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90806016).

68898368 is an abundant number, since it is smaller than the sum of its proper divisors (112713664).

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

68898368 is a wasteful number, since it uses less digits than its factorization.

68898368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 92 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The square root of 68898368 is about 8300.5040810784. The cubic root of 68898368 is about 409.9551170380.

The spelling of 68898368 in words is "sixty-eight million, eight hundred ninety-eight thousand, three hundred sixty-eight".