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51230497 is a prime number
BaseRepresentation
bin1100001101101…
…1011100100001
310120101210000211
43003123130201
5101103333442
65030014121
71161311023
oct303333441
9116353024
1051230497
1126a1125a
12151a7341
13a7c9506
146b38013
15476e617
hex30db721

51230497 has 2 divisors, whose sum is σ = 51230498. Its totient is φ = 51230496.

The previous prime is 51230483. The next prime is 51230519. The reversal of 51230497 is 79403215.

51230497 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., 50140561 + 1089936 = 7081^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 51230497 - 27 = 51230369 is a prime.

It is not a weakly prime, because it can be changed into another prime (51230437) 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, 25615248 + 25615249.

It is an arithmetic number, because the mean of its divisors is an integer number (25615249).

Almost surely, 251230497 is an apocalyptic number.

It is an amenable number.

51230497 is a deficient number, since it is larger than the sum of its proper divisors (1).

51230497 is an equidigital number, since it uses as much as digits as its factorization.

51230497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 51230497 is about 7157.5482534175. The cubic root of 51230497 is about 371.4008183758.

The spelling of 51230497 in words is "fifty-one million, two hundred thirty thousand, four hundred ninety-seven".