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68468308 = 2244338639
BaseRepresentation
bin1000001010010…
…11111001010100
311202211112212021
410011023321110
5120011441213
610443302524
71460654026
oct405137124
9152745767
1068468308
1135715287
121ab1aa44
13112535bc
149144016
156026d8d
hex414be54

68468308 has 12 divisors (see below), whose sum is σ = 120093120. Its totient is φ = 34155992.

The previous prime is 68468303. The next prime is 68468311. The reversal of 68468308 is 80386486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68468303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17548 + ... + 21091.

It is an arithmetic number, because the mean of its divisors is an integer number (10007760).

Almost surely, 268468308 is an apocalyptic number.

It is an amenable number.

68468308 is a deficient number, since it is larger than the sum of its proper divisors (51624812).

68468308 is a wasteful number, since it uses less digits than its factorization.

68468308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39086 (or 39084 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 68468308 is about 8274.5578733851. The cubic root of 68468308 is about 409.1003633401.

The spelling of 68468308 in words is "sixty-eight million, four hundred sixty-eight thousand, three hundred eight".

Divisors: 1 2 4 443 886 1772 38639 77278 154556 17117077 34234154 68468308