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103016491 is a prime number
BaseRepresentation
bin1100010001111…
…10100000101011
321011211210001121
412020332200223
5202333011431
614120000111
72360424424
oct610764053
9234753047
10103016491
11531718a6
122a600037
131845b806
14d97864b
15909d611
hex623e82b

103016491 has 2 divisors, whose sum is σ = 103016492. Its totient is φ = 103016490.

The previous prime is 103016479. The next prime is 103016513. The reversal of 103016491 is 194610301.

It is a weak prime.

It is an emirp because it is prime and its reverse (194610301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103016491 - 213 = 103008299 is a prime.

It is a super-2 number, since 2×1030164912 = 21224794835906162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103016401) 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, 51508245 + 51508246.

It is an arithmetic number, because the mean of its divisors is an integer number (51508246).

Almost surely, 2103016491 is an apocalyptic number.

103016491 is a deficient number, since it is larger than the sum of its proper divisors (1).

103016491 is an equidigital number, since it uses as much as digits as its factorization.

103016491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 103016491 is about 10149.7039858313. The cubic root of 103016491 is about 468.7798303742.

Adding to 103016491 its reverse (194610301), we get a palindrome (297626792).

The spelling of 103016491 in words is "one hundred three million, sixteen thousand, four hundred ninety-one".