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102524431 is a prime number
BaseRepresentation
bin1100001110001…
…10011000001111
321010220210002011
412013012120033
5202221240211
614101242051
72353305022
oct607063017
9233823064
10102524431
1152966139
122a403327
1318318859
14d88b1b9
159002921
hex61c660f

102524431 has 2 divisors, whose sum is σ = 102524432. Its totient is φ = 102524430.

The previous prime is 102524423. The next prime is 102524459. The reversal of 102524431 is 134425201.

It is a weak prime.

It is an emirp because it is prime and its reverse (134425201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102524431 - 23 = 102524423 is a prime.

It is a super-2 number, since 2×1025244312 = 21022517903747522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102521431) 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, 51262215 + 51262216.

It is an arithmetic number, because the mean of its divisors is an integer number (51262216).

Almost surely, 2102524431 is an apocalyptic number.

102524431 is a deficient number, since it is larger than the sum of its proper divisors (1).

102524431 is an equidigital number, since it uses as much as digits as its factorization.

102524431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102524431 is about 10125.4348548593. The cubic root of 102524431 is about 468.0322606027.

Adding to 102524431 its reverse (134425201), we get a palindrome (236949632).

The spelling of 102524431 in words is "one hundred two million, five hundred twenty-four thousand, four hundred thirty-one".