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68466040 = 2351711651
BaseRepresentation
bin1000001010010…
…11010101111000
311202211102202021
410011023111320
5120011403130
610443244224
71460644306
oct405132570
9152742667
1068466040
1135713605
121ab19674
1311252566
149143276
15602637a
hex414b578

68466040 has 16 divisors (see below), whose sum is σ = 154048680. Its totient is φ = 27386400.

The previous prime is 68466037. The next prime is 68466049. The reversal of 68466040 is 4066486.

It is a junction number, because it is equal to n+sod(n) for n = 68465987 and 68466005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68466049) 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, 855786 + ... + 855865.

Almost surely, 268466040 is an apocalyptic number.

It is an amenable number.

68466040 is an abundant number, since it is smaller than the sum of its proper divisors (85582640).

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

68466040 is a wasteful number, since it uses less digits than its factorization.

68466040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711662 (or 1711658 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 68466040 is about 8274.4208256530. The cubic root of 68466040 is about 409.0958461656.

The spelling of 68466040 in words is "sixty-eight million, four hundred sixty-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1711651 3423302 6846604 8558255 13693208 17116510 34233020 68466040