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28969103 is a prime number
BaseRepresentation
bin110111010000…
…0100010001111
32000111210010202
41232200202033
524404002403
62512524115
7501143012
oct156404217
960453122
1028969103
1115396a09
12985063b
1360039a7
143bc1379
152823688
hex1ba088f

28969103 has 2 divisors, whose sum is σ = 28969104. Its totient is φ = 28969102.

The previous prime is 28969069. The next prime is 28969117. The reversal of 28969103 is 30196982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28969103 - 28 = 28968847 is a prime.

It is a super-3 number, since 3×289691033 (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28969153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14484551 + 14484552.

It is an arithmetic number, because the mean of its divisors is an integer number (14484552).

Almost surely, 228969103 is an apocalyptic number.

28969103 is a deficient number, since it is larger than the sum of its proper divisors (1).

28969103 is an equidigital number, since it uses as much as digits as its factorization.

28969103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 28969103 is about 5382.2953282034. The cubic root of 28969103 is about 307.1225341726.

The spelling of 28969103 in words is "twenty-eight million, nine hundred sixty-nine thousand, one hundred three".