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53047949 is a prime number
BaseRepresentation
bin1100101001011…
…1001010001101
310200211010002212
43022113022031
5102040013244
65133000205
71212620513
oct312271215
9120733085
1053047949
1127a42789
1215923065
13acb4826
14708c4b3
1549ccd9e
hex329728d

53047949 has 2 divisors, whose sum is σ = 53047950. Its totient is φ = 53047948.

The previous prime is 53047937. The next prime is 53047999. The reversal of 53047949 is 94974035.

53047949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29214025 + 23833924 = 5405^2 + 4882^2 .

It is a cyclic number.

It is not a de Polignac number, because 53047949 - 24 = 53047933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53047999) 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, 26523974 + 26523975.

It is an arithmetic number, because the mean of its divisors is an integer number (26523975).

Almost surely, 253047949 is an apocalyptic number.

It is an amenable number.

53047949 is a deficient number, since it is larger than the sum of its proper divisors (1).

53047949 is an equidigital number, since it uses as much as digits as its factorization.

53047949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 53047949 is about 7283.4022956308. The cubic root of 53047949 is about 375.7418181000.

The spelling of 53047949 in words is "fifty-three million, forty-seven thousand, nine hundred forty-nine".