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103457 is a prime number
BaseRepresentation
bin11001010000100001
312020220202
4121100201
511302312
62114545
7610424
oct312041
9166822
10103457
1170802
124ba55
1338123
14299bb
15209c2
hex19421

103457 has 2 divisors, whose sum is σ = 103458. Its totient is φ = 103456.

The previous prime is 103451. The next prime is 103471. The reversal of 103457 is 754301.

Adding to 103457 its reverse (754301), we get a palindrome (857758).

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80656 + 22801 = 284^2 + 151^2 .

It is an emirp because it is prime and its reverse (754301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103457 - 26 = 103393 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103457.

It is not a weakly prime, because it can be changed into another prime (103451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51728 + 51729.

It is an arithmetic number, because the mean of its divisors is an integer number (51729).

2103457 is an apocalyptic number.

It is an amenable number.

103457 is a deficient number, since it is larger than the sum of its proper divisors (1).

103457 is an equidigital number, since it uses as much as digits as its factorization.

103457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 103457 is about 321.6473223890. The cubic root of 103457 is about 46.9447063645.

The spelling of 103457 in words is "one hundred three thousand, four hundred fifty-seven".