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2806038 = 232155891
BaseRepresentation
bin1010101101000100010110
312021120011100
422231010112
51204243123
6140050530
732564604
oct12550426
95246140
102806038
111647244
12b33a46
137732a1
14530874
153a6643
hex2ad116

2806038 has 12 divisors (see below), whose sum is σ = 6079788. Its totient is φ = 935340.

The previous prime is 2806031. The next prime is 2806049. The reversal of 2806038 is 8306082.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77928 + ... + 77963.

It is an arithmetic number, because the mean of its divisors is an integer number (506649).

22806038 is an apocalyptic number.

2806038 is an abundant number, since it is smaller than the sum of its proper divisors (3273750).

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

2806038 is a wasteful number, since it uses less digits than its factorization.

2806038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155899 (or 155896 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2806038 is about 1675.1232790455. The cubic root of 2806038 is about 141.0472152124.

The spelling of 2806038 in words is "two million, eight hundred six thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 155891 311782 467673 935346 1403019 2806038