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8263053 = 34102013
BaseRepresentation
bin11111100001010110001101
3120112210210000
4133201112031
54103404203
6453034513
7130143351
oct37412615
916483700
108263053
114734177
122925a39
1319340a6
141151461
15ad34a3
hex7e158d

8263053 has 10 divisors (see below), whose sum is σ = 12343694. Its totient is φ = 5508648.

The previous prime is 8263033. The next prime is 8263063. The reversal of 8263053 is 3503628.

It can be written as a sum of positive squares in only one way, i.e., 4588164 + 3674889 = 2142^2 + 1917^2 .

It is not a de Polignac number, because 8263053 - 222 = 4068749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

8263053 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8263033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50926 + ... + 51087.

Almost surely, 28263053 is an apocalyptic number.

It is an amenable number.

8263053 is a deficient number, since it is larger than the sum of its proper divisors (4080641).

8263053 is a wasteful number, since it uses less digits than its factorization.

8263053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102025 (or 102016 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 8263053 is about 2874.5526608500. The cubic root of 8263053 is about 202.1685111528.

The spelling of 8263053 in words is "eight million, two hundred sixty-three thousand, fifty-three".

Divisors: 1 3 9 27 81 102013 306039 918117 2754351 8263053