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68970736 = 244310671
BaseRepresentation
bin1000001110001…
…10100011110000
311210210002001201
410013012203300
5120124030421
610502140544
71465145602
oct407064360
9153702051
1068970736
1135a2880a
121b121754
131139b1b3
149235172
1560c5b91
hex41c68f0

68970736 has 10 divisors (see below), whose sum is σ = 133630832. Its totient is φ = 34485360.

The previous prime is 68970719. The next prime is 68970821. The reversal of 68970736 is 63707986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2155320 + ... + 2155351.

Almost surely, 268970736 is an apocalyptic number.

It is an amenable number.

68970736 is a deficient number, since it is larger than the sum of its proper divisors (64660096).

68970736 is a wasteful number, since it uses less digits than its factorization.

68970736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310679 (or 4310673 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 68970736 is about 8304.8621903076. The cubic root of 68970736 is about 410.0986001210.

The spelling of 68970736 in words is "sixty-eight million, nine hundred seventy thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 4310671 8621342 17242684 34485368 68970736