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8163153 = 33463653
BaseRepresentation
bin11111001000111101010001
3120100201202000
4133020331101
54042210103
6450544213
7126246165
oct37107521
916321660
108163153
114676109
122898069
1318ca78b
141126ca5
15ab3aa3
hex7c8f51

8163153 has 16 divisors (see below), whose sum is σ = 12138240. Its totient is φ = 5422032.

The previous prime is 8163143. The next prime is 8163191. The reversal of 8163153 is 3513618.

It is not a de Polignac number, because 8163153 - 25 = 8163121 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 not an unprimeable number, because it can be changed into a prime (8163143) 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 15 ways as a sum of consecutive naturals, for example, 12175 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (758640).

Almost surely, 28163153 is an apocalyptic number.

It is an amenable number.

8163153 is a deficient number, since it is larger than the sum of its proper divisors (3975087).

8163153 is a wasteful number, since it uses less digits than its factorization.

8163153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1119 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 8163153 is about 2857.1232035038. The cubic root of 8163153 is about 201.3504689766.

It can be divided in two parts, 816 and 3153, that added together give a square (3969 = 632).

The spelling of 8163153 in words is "eight million, one hundred sixty-three thousand, one hundred fifty-three".

Divisors: 1 3 9 27 463 653 1389 1959 4167 5877 12501 17631 302339 907017 2721051 8163153