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868072706 = 21378931477
BaseRepresentation
bin110011101111011…
…011110100000010
32020111102122212222
4303233123310002
53234211311311
6222045451042
730340332134
oct6357336402
92214378788
10868072706
11406005966
12202870a82
1310aac83b7
1483409054
1551321adb
hex33bdbd02

868072706 has 8 divisors (see below), whose sum is σ = 1302244860. Its totient is φ = 433991088.

The previous prime is 868072669. The next prime is 868072721. The reversal of 868072706 is 607270868.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 742072081 + 126000625 = 27241^2 + 11225^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11840 + ... + 43316.

Almost surely, 2868072706 is an apocalyptic number.

868072706 is a deficient number, since it is larger than the sum of its proper divisors (434172154).

868072706 is a wasteful number, since it uses less digits than its factorization.

868072706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45268.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 868072706 is about 29463.0736006955. The cubic root of 868072706 is about 953.9348177743.

The spelling of 868072706 in words is "eight hundred sixty-eight million, seventy-two thousand, seven hundred six".

Divisors: 1 2 13789 27578 31477 62954 434036353 868072706