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10428557 is a prime number
BaseRepresentation
bin100111110010…
…000010001101
3201121211021212
4213302002031
510132203212
61011304205
7154432646
oct47620215
921554255
1010428557
115983147
1235ab065
132211959
1415566cd
15daee22
hex9f208d

10428557 has 2 divisors, whose sum is σ = 10428558. Its totient is φ = 10428556.

The previous prime is 10428547. The next prime is 10428559. The reversal of 10428557 is 75582401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10426441 + 2116 = 3229^2 + 46^2 .

It is an emirp because it is prime and its reverse (75582401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10428557 - 214 = 10412173 is a prime.

It is a super-2 number, since 2×104285572 = 217509602204498, which contains 22 as substring.

Together with 10428559, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10428559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5214278 + 5214279.

It is an arithmetic number, because the mean of its divisors is an integer number (5214279).

Almost surely, 210428557 is an apocalyptic number.

It is an amenable number.

10428557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10428557 is an equidigital number, since it uses as much as digits as its factorization.

10428557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 10428557 is about 3229.3276389986. The cubic root of 10428557 is about 218.4781818897.

The spelling of 10428557 in words is "ten million, four hundred twenty-eight thousand, five hundred fifty-seven".