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2680428 = 223376037
BaseRepresentation
bin1010001110011001101100
312001011212010
422032121230
51141233203
6133241220
731532442
oct12163154
95034763
102680428
111570933
12a93210
1372b06a
144dab92
1537e303
hex28e66c

2680428 has 24 divisors (see below), whose sum is σ = 6424432. Its totient is φ = 869184.

The previous prime is 2680427. The next prime is 2680451. The reversal of 2680428 is 8240862.

It is a happy number.

2680428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2680395 and 2680404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680421) 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, 2575 + ... + 3462.

22680428 is an apocalyptic number.

It is an amenable number.

2680428 is an abundant number, since it is smaller than the sum of its proper divisors (3744004).

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

2680428 is a wasteful number, since it uses less digits than its factorization.

2680428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081 (or 6079 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2680428 is about 1637.2012704613. The cubic root of 2680428 is about 138.9103851054.

The spelling of 2680428 in words is "two million, six hundred eighty thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 6037 12074 18111 24148 36222 72444 223369 446738 670107 893476 1340214 2680428