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105575161 is a prime number
BaseRepresentation
bin1100100101011…
…11001011111001
321100122202220011
412102233023321
5204011401121
614250501521
72421242206
oct622571371
9240582804
10105575161
115465a1aa
122b4348a1
1318b46313
1410042cad
1594067e1
hex64af2f9

105575161 has 2 divisors, whose sum is σ = 105575162. Its totient is φ = 105575160.

The previous prime is 105575149. The next prime is 105575179. The reversal of 105575161 is 161575501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 52649536 = 7275^2 + 7256^2 .

It is a cyclic number.

It is not a de Polignac number, because 105575161 - 217 = 105444089 is a prime.

It is a super-2 number, since 2×1055751612 = 22292229240351842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105572161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52787580 + 52787581.

It is an arithmetic number, because the mean of its divisors is an integer number (52787581).

Almost surely, 2105575161 is an apocalyptic number.

It is an amenable number.

105575161 is a deficient number, since it is larger than the sum of its proper divisors (1).

105575161 is an equidigital number, since it uses as much as digits as its factorization.

105575161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 105575161 is about 10274.9774208998. The cubic root of 105575161 is about 472.6292374380.

The spelling of 105575161 in words is "one hundred five million, five hundred seventy-five thousand, one hundred sixty-one".