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53000869 is a prime number
BaseRepresentation
bin1100101000101…
…1101010100101
310200201201112011
43022023222211
5102032011434
65131554221
71212333325
oct312135245
9120651464
1053000869
1127a10379
12158bb971
13ac9927c
147079285
1549bde64
hex328baa5

53000869 has 2 divisors, whose sum is σ = 53000870. Its totient is φ = 53000868.

The previous prime is 53000851. The next prime is 53000873. The reversal of 53000869 is 96800035.

53000869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36759969 + 16240900 = 6063^2 + 4030^2 .

It is a cyclic number.

It is not a de Polignac number, because 53000869 - 25 = 53000837 is a prime.

It is a super-2 number, since 2×530008692 = 5618184229510322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53000869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53000069) 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 as a sum of consecutive naturals, namely, 26500434 + 26500435.

It is an arithmetic number, because the mean of its divisors is an integer number (26500435).

Almost surely, 253000869 is an apocalyptic number.

It is an amenable number.

53000869 is a deficient number, since it is larger than the sum of its proper divisors (1).

53000869 is an equidigital number, since it uses as much as digits as its factorization.

53000869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 53000869 is about 7280.1695722009. The cubic root of 53000869 is about 375.6306283746.

It can be divided in two parts, 5300086 and 9, that multiplied together give a palindrome (47700774).

The spelling of 53000869 in words is "fifty-three million, eight hundred sixty-nine", and thus it is an aban number.