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52481413 is a prime number
BaseRepresentation
bin1100100000110…
…0110110000101
310122202022222001
43020030312011
5101413401123
65112505301
71205041015
oct310146605
9118668861
1052481413
1127696076
12156ab231
13ab469ba
146d81c45
15491a0ad
hex320cd85

52481413 has 2 divisors, whose sum is σ = 52481414. Its totient is φ = 52481412.

The previous prime is 52481393. The next prime is 52481441. The reversal of 52481413 is 31418425.

It is an a-pointer prime, because the next prime (52481441) can be obtained adding 52481413 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36216324 + 16265089 = 6018^2 + 4033^2 .

It is a cyclic number.

It is not a de Polignac number, because 52481413 - 225 = 18926981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52481483) 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, 26240706 + 26240707.

It is an arithmetic number, because the mean of its divisors is an integer number (26240707).

Almost surely, 252481413 is an apocalyptic number.

It is an amenable number.

52481413 is a deficient number, since it is larger than the sum of its proper divisors (1).

52481413 is an equidigital number, since it uses as much as digits as its factorization.

52481413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 52481413 is about 7244.4056346950. The cubic root of 52481413 is about 374.3994250431.

Adding to 52481413 its reverse (31418425), we get a palindrome (83899838).

The spelling of 52481413 in words is "fifty-two million, four hundred eighty-one thousand, four hundred thirteen".