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50472869 is a prime number
BaseRepresentation
bin1100000010001…
…0011110100101
310111222021202112
43000202132211
5100410112434
65001450405
71152004136
oct300423645
9114867675
1050472869
1126544017
1214aa0a05
13a5c2705
1469bbc8d
15466edce
hex30227a5

50472869 has 2 divisors, whose sum is σ = 50472870. Its totient is φ = 50472868.

The previous prime is 50472839. The next prime is 50472899. The reversal of 50472869 is 96827405.

It is a balanced prime because it is at equal distance from previous prime (50472839) and next prime (50472899).

It can be written as a sum of positive squares in only one way, i.e., 41770369 + 8702500 = 6463^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 50472869 - 28 = 50472613 is a prime.

It is a super-2 number, since 2×504728692 = 5095021010182322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50472839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25236434 + 25236435.

It is an arithmetic number, because the mean of its divisors is an integer number (25236435).

Almost surely, 250472869 is an apocalyptic number.

It is an amenable number.

50472869 is a deficient number, since it is larger than the sum of its proper divisors (1).

50472869 is an equidigital number, since it uses as much as digits as its factorization.

50472869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 50472869 is about 7104.4260148164. The cubic root of 50472869 is about 369.5608839817.

The spelling of 50472869 in words is "fifty million, four hundred seventy-two thousand, eight hundred sixty-nine".