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68478674 = 2113112667
BaseRepresentation
bin1000001010011…
…10011011010010
311202212002002012
410011032123102
5120012304144
610443422522
71461026165
oct405163322
9152762065
1068478674
1135722050
121ab24a42
1311258234
149147adc
156029e9e
hex414e6d2

68478674 has 8 divisors (see below), whose sum is σ = 112056048. Its totient is φ = 31126660.

The previous prime is 68478673. The next prime is 68478689. The reversal of 68478674 is 47687486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68478673) 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, 1556312 + ... + 1556355.

It is an arithmetic number, because the mean of its divisors is an integer number (14007006).

Almost surely, 268478674 is an apocalyptic number.

68478674 is a deficient number, since it is larger than the sum of its proper divisors (43577374).

68478674 is a wasteful number, since it uses less digits than its factorization.

68478674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112680.

The product of its digits is 1806336, while the sum is 50.

The square root of 68478674 is about 8275.1842275565. The cubic root of 68478674 is about 409.1210080271.

The spelling of 68478674 in words is "sixty-eight million, four hundred seventy-eight thousand, six hundred seventy-four".

Divisors: 1 2 11 22 3112667 6225334 34239337 68478674