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2680816 = 241371223
BaseRepresentation
bin1010001110011111110000
312001012101111
422032133300
51141241231
6133243104
731533535
oct12163760
95035344
102680816
111571156
12a93494
1372b2a8
144dad8c
1537e4b1
hex28e7f0

2680816 has 20 divisors (see below), whose sum is σ = 5236272. Its totient is φ = 1329536.

The previous prime is 2680813. The next prime is 2680819. The reversal of 2680816 is 6180862.

It is an interprime number because it is at equal distance from previous prime (2680813) and next prime (2680819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680813) 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, 1581 + ... + 2803.

22680816 is an apocalyptic number.

It is an amenable number.

2680816 is a deficient number, since it is larger than the sum of its proper divisors (2555456).

2680816 is a wasteful number, since it uses less digits than its factorization.

2680816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 2680816 is about 1637.3197610730. The cubic root of 2680816 is about 138.9170873471.

The spelling of 2680816 in words is "two million, six hundred eighty thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 137 274 548 1096 1223 2192 2446 4892 9784 19568 167551 335102 670204 1340408 2680816