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7006668 = 2231979389
BaseRepresentation
bin11010101110100111001100
3111011222100020
4122232213030
53243203133
6410102140
7113361414
oct32564714
914158306
107006668
113a56239
12241a950
1315b4276
14d05644
159360b3
hex6ae9cc

7006668 has 48 divisors (see below), whose sum is σ = 17472000. Its totient is φ = 2179008.

The previous prime is 7006667. The next prime is 7006679. The reversal of 7006668 is 8666007.

It is not an unprimeable number, because it can be changed into a prime (7006667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17818 + ... + 18206.

It is an arithmetic number, because the mean of its divisors is an integer number (364000).

Almost surely, 27006668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7006668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8736000).

7006668 is an abundant number, since it is smaller than the sum of its proper divisors (10465332).

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

7006668 is a wasteful number, since it uses less digits than its factorization.

7006668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 7006668 is about 2647.0111446686. The cubic root of 7006668 is about 191.3538391207.

The spelling of 7006668 in words is "seven million, six thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 79 114 158 228 237 316 389 474 778 948 1167 1501 1556 2334 3002 4503 4668 6004 7391 9006 14782 18012 22173 29564 30731 44346 61462 88692 92193 122924 184386 368772 583889 1167778 1751667 2335556 3503334 7006668