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2680008 = 233111667
BaseRepresentation
bin1010001110010011001000
312001011021120
422032103020
51141230013
6133235240
731531302
oct12162310
95034246
102680008
111570591
12a92b20
1372ab06
144da972
1537e123
hex28e4c8

2680008 has 16 divisors (see below), whose sum is σ = 6700080. Its totient is φ = 893328.

The previous prime is 2680003. The next prime is 2680009. The reversal of 2680008 is 8000862.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 111667 = 2680008 / (2 + 6 + 8 + 0 + 0 + 0 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 2680008.

It is not an unprimeable number, because it can be changed into a prime (2680003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55810 + ... + 55857.

It is an arithmetic number, because the mean of its divisors is an integer number (418755).

22680008 is an apocalyptic number.

It is an amenable number.

2680008 is an abundant number, since it is smaller than the sum of its proper divisors (4020072).

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

2680008 is a wasteful number, since it uses less digits than its factorization.

2680008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111676 (or 111672 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2680008 is about 1637.0729977616. The cubic root of 2680008 is about 138.9031293724.

The spelling of 2680008 in words is "two million, six hundred eighty thousand, eight".

Divisors: 1 2 3 4 6 8 12 24 111667 223334 335001 446668 670002 893336 1340004 2680008