Search a number
-
+
105657173 is a prime number
BaseRepresentation
bin1100100110000…
…11001101010101
321100210221101122
412103003031111
5204022012143
614252333325
72422033256
oct623031525
9240727348
10105657173
1154705886
122b474245
1318b7474b
1410064b2d
159420c68
hex64c3355

105657173 has 2 divisors, whose sum is σ = 105657174. Its totient is φ = 105657172.

The previous prime is 105657169. The next prime is 105657187. The reversal of 105657173 is 371756501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85063729 + 20593444 = 9223^2 + 4538^2 .

It is a cyclic number.

It is not a de Polignac number, because 105657173 - 22 = 105657169 is a prime.

It is a super-2 number, since 2×1056571732 = 22326876412703858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105657103) 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, 52828586 + 52828587.

It is an arithmetic number, because the mean of its divisors is an integer number (52828587).

Almost surely, 2105657173 is an apocalyptic number.

It is an amenable number.

105657173 is a deficient number, since it is larger than the sum of its proper divisors (1).

105657173 is an equidigital number, since it uses as much as digits as its factorization.

105657173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 105657173 is about 10278.9675065154. The cubic root of 105657173 is about 472.7515870395.

The spelling of 105657173 in words is "one hundred five million, six hundred fifty-seven thousand, one hundred seventy-three".