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8662668 = 2237281367
BaseRepresentation
bin100001000010…
…111010001100
3121022002221120
4201002322030
54204201133
6505400540
7133426410
oct41027214
917262846
108662668
114987433
122a99150
131a43c51
141216d40
15b61ab3
hex842e8c

8662668 has 48 divisors (see below), whose sum is σ = 23245824. Its totient is φ = 2459520.

The previous prime is 8662657. The next prime is 8662729.

8662668 is nontrivially palindromic in base 10.

8662668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23421 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (484288).

Almost surely, 28662668 is an apocalyptic number.

It is an amenable number.

8662668 is an abundant number, since it is smaller than the sum of its proper divisors (14583156).

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

8662668 is a wasteful number, since it uses less digits than its factorization.

8662668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 8662668 is about 2943.2410706566. The cubic root of 8662668 is about 205.3764093675.

The spelling of 8662668 in words is "eight million, six hundred sixty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 281 367 562 734 843 1101 1124 1468 1686 1967 2202 2569 3372 3934 4404 5138 5901 7707 7868 10276 11802 15414 23604 30828 103127 206254 309381 412508 618762 721889 1237524 1443778 2165667 2887556 4331334 8662668