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105281201 is a prime number
BaseRepresentation
bin1100100011001…
…11011010110001
321100002211122202
412101213122301
5203422444301
614240312545
72415606164
oct621473261
9240084582
10105281201
1154479363
122b312755
1318a7258c
14dda7adb
15939966b
hex64676b1

105281201 has 2 divisors, whose sum is σ = 105281202. Its totient is φ = 105281200.

The previous prime is 105281131. The next prime is 105281203. The reversal of 105281201 is 102182501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59367025 + 45914176 = 7705^2 + 6776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105281201 is a prime.

It is a super-2 number, since 2×1052812012 = 22168262568004802, which contains 22 as substring.

Together with 105281203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105281203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52640600 + 52640601.

It is an arithmetic number, because the mean of its divisors is an integer number (52640601).

Almost surely, 2105281201 is an apocalyptic number.

It is an amenable number.

105281201 is a deficient number, since it is larger than the sum of its proper divisors (1).

105281201 is an equidigital number, since it uses as much as digits as its factorization.

105281201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 105281201 is about 10260.6627953559. The cubic root of 105281201 is about 472.1901719198.

The spelling of 105281201 in words is "one hundred five million, two hundred eighty-one thousand, two hundred one".