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8668030 = 257123829
BaseRepresentation
bin100001000100…
…001101111110
3121022101022011
4201010031332
54204334110
6505441434
7133451140
oct41041576
917271264
108668030
114990468
122aa027a
131a46517
141218c90
15b6348a
hex84437e

8668030 has 16 divisors (see below), whose sum is σ = 17831520. Its totient is φ = 2971872.

The previous prime is 8668001. The next prime is 8668031. The reversal of 8668030 is 308668.

It is a junction number, because it is equal to n+sod(n) for n = 8667983 and 8668001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668031) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 61845 + ... + 61984.

It is an arithmetic number, because the mean of its divisors is an integer number (1114470).

Almost surely, 28668030 is an apocalyptic number.

8668030 is an abundant number, since it is smaller than the sum of its proper divisors (9163490).

8668030 is a wasteful number, since it uses less digits than its factorization.

8668030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123843.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 8668030 is about 2944.1518303240. The cubic root of 8668030 is about 205.4187751133.

The spelling of 8668030 in words is "eight million, six hundred sixty-eight thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 123829 247658 619145 866803 1238290 1733606 4334015 8668030