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17428469 is a prime number
BaseRepresentation
bin100001001111…
…0111111110101
31012210110100212
41002132333311
513430202334
61421315205
7301065602
oct102367765
935713325
1017428469
1199242a3
125a05b05
1337c2b06
1424596a9
1517e3ece
hex109eff5

17428469 has 2 divisors, whose sum is σ = 17428470. Its totient is φ = 17428468.

The previous prime is 17428429. The next prime is 17428471. The reversal of 17428469 is 96482471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15288100 + 2140369 = 3910^2 + 1463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-17428469 is a prime.

It is a super-2 number, since 2×174284692 = 607503063367922, which contains 22 as substring.

Together with 17428471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17428409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8714234 + 8714235.

It is an arithmetic number, because the mean of its divisors is an integer number (8714235).

Almost surely, 217428469 is an apocalyptic number.

It is an amenable number.

17428469 is a deficient number, since it is larger than the sum of its proper divisors (1).

17428469 is an equidigital number, since it uses as much as digits as its factorization.

17428469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 17428469 is about 4174.7417884224. The cubic root of 17428469 is about 259.2704846052.

The spelling of 17428469 in words is "seventeen million, four hundred twenty-eight thousand, four hundred sixty-nine".