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105690577 is a prime number
BaseRepresentation
bin1100100110010…
…11010111010001
321100212122012211
412103023113101
5204024044302
614253152121
72422232536
oct623132721
9240778184
10105690577
1154728993
122b48b641
1318b86a05
1410072d8d
15942aad7
hex64cb5d1

105690577 has 2 divisors, whose sum is σ = 105690578. Its totient is φ = 105690576.

The previous prime is 105690569. The next prime is 105690601. The reversal of 105690577 is 775096501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105493441 + 197136 = 10271^2 + 444^2 .

It is a cyclic number.

It is not a de Polignac number, because 105690577 - 23 = 105690569 is a prime.

It is a super-2 number, since 2×1056905772 = 22340996133185858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105690527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52845288 + 52845289.

It is an arithmetic number, because the mean of its divisors is an integer number (52845289).

Almost surely, 2105690577 is an apocalyptic number.

It is an amenable number.

105690577 is a deficient number, since it is larger than the sum of its proper divisors (1).

105690577 is an equidigital number, since it uses as much as digits as its factorization.

105690577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 105690577 is about 10280.5922494767. The cubic root of 105690577 is about 472.8014026511.

The spelling of 105690577 in words is "one hundred five million, six hundred ninety thousand, five hundred seventy-seven".