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10820075 = 527173637
BaseRepresentation
bin101001010001…
…100111101011
3202100201100112
4221101213223
510232220300
61023524535
7160653260
oct51214753
922321315
1010820075
116120312
12375974b
13231ac16
141619267
15e3ae35
hexa519eb

10820075 has 24 divisors (see below), whose sum is σ = 16240032. Its totient is φ = 6981120.

The previous prime is 10820057. The next prime is 10820081. The reversal of 10820075 is 57002801.

It is not a de Polignac number, because 10820075 - 218 = 10557931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10820075.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1157 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (676668).

Almost surely, 210820075 is an apocalyptic number.

10820075 is a deficient number, since it is larger than the sum of its proper divisors (5419957).

10820075 is a wasteful number, since it uses less digits than its factorization.

10820075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 10820075 is about 3289.3882409956. The cubic root of 10820075 is about 221.1787624295.

Adding to 10820075 its reverse (57002801), we get a palindrome (67822876).

The spelling of 10820075 in words is "ten million, eight hundred twenty thousand, seventy-five".

Divisors: 1 5 7 17 25 35 85 119 175 425 595 2975 3637 18185 25459 61829 90925 127295 309145 432803 636475 1545725 2164015 10820075