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2631028 = 22976781
BaseRepresentation
bin1010000010010101110100
311221200002111
422002111310
51133143103
6132220404
731235431
oct12022564
94850074
102631028
111537804
12a6a704
1371172a
144c6b88
1536e86d
hex282574

2631028 has 12 divisors (see below), whose sum is σ = 4652452. Its totient is φ = 1301760.

The previous prime is 2631019. The next prime is 2631029. The reversal of 2631028 is 8201362.

It can be written as a sum of positive squares in 2 ways, for example, as 1162084 + 1468944 = 1078^2 + 1212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631029) 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, 3003 + ... + 3778.

22631028 is an apocalyptic number.

It is an amenable number.

2631028 is a deficient number, since it is larger than the sum of its proper divisors (2021424).

2631028 is a wasteful number, since it uses less digits than its factorization.

2631028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882 (or 6880 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2631028 is about 1622.0443890350. The cubic root of 2631028 is about 138.0517204441.

The spelling of 2631028 in words is "two million, six hundred thirty-one thousand, twenty-eight".

Divisors: 1 2 4 97 194 388 6781 13562 27124 657757 1315514 2631028