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53274869 is a prime number
BaseRepresentation
bin1100101100111…
…0100011110101
310201020122101022
43023032203311
5102114243434
65141510525
71214554214
oct313164365
9121218338
1053274869
112808821a
1215a12445
13b063bbb
14710b07b
154a2522e
hex32ce8f5

53274869 has 2 divisors, whose sum is σ = 53274870. Its totient is φ = 53274868.

The previous prime is 53274853. The next prime is 53274913. The reversal of 53274869 is 96847235.

It is an a-pointer prime, because the next prime (53274913) can be obtained adding 53274869 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48121969 + 5152900 = 6937^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 53274869 - 24 = 53274853 is a prime.

It is a super-2 number, since 2×532748692 = 5676423333934322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53274469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637434 + 26637435.

It is an arithmetic number, because the mean of its divisors is an integer number (26637435).

Almost surely, 253274869 is an apocalyptic number.

It is an amenable number.

53274869 is a deficient number, since it is larger than the sum of its proper divisors (1).

53274869 is an equidigital number, since it uses as much as digits as its factorization.

53274869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 53274869 is about 7298.9635565606. The cubic root of 53274869 is about 376.2768186532.

The spelling of 53274869 in words is "fifty-three million, two hundred seventy-four thousand, eight hundred sixty-nine".