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102425471 is a prime number
BaseRepresentation
bin1100001101011…
…10001101111111
321010201202022222
412012232031333
5202210103341
614055155555
72352413351
oct606561577
9233652288
10102425471
11528a8855
122a375bbb
13182b27b5
14d8630d1
158ed344b
hex61ae37f

102425471 has 2 divisors, whose sum is σ = 102425472. Its totient is φ = 102425470.

The previous prime is 102425423. The next prime is 102425473. The reversal of 102425471 is 174524201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102425471 - 210 = 102424447 is a prime.

It is a super-3 number, since 3×1024254713 (a number of 25 digits) contains 333 as substring.

Together with 102425473, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102425471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102425473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51212735 + 51212736.

It is an arithmetic number, because the mean of its divisors is an integer number (51212736).

Almost surely, 2102425471 is an apocalyptic number.

102425471 is a deficient number, since it is larger than the sum of its proper divisors (1).

102425471 is an equidigital number, since it uses as much as digits as its factorization.

102425471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 102425471 is about 10120.5469713845. The cubic root of 102425471 is about 467.8816253440.

Adding to 102425471 its reverse (174524201), we get a palindrome (276949672).

The spelling of 102425471 in words is "one hundred two million, four hundred twenty-five thousand, four hundred seventy-one".