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105354047 is a prime number
BaseRepresentation
bin1100100011110…
…01001100111111
321100020112120202
412101321030333
5203432312142
614242034115
72416331441
oct621711477
9240215522
10105354047
1154519067
122b34893b
1318a99796
14ddc6491
1593b1032
hex647933f

105354047 has 2 divisors, whose sum is σ = 105354048. Its totient is φ = 105354046.

The previous prime is 105354023. The next prime is 105354061. The reversal of 105354047 is 740453501.

It is a strong prime.

It is an emirp because it is prime and its reverse (740453501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105354047 - 28 = 105353791 is a prime.

It is a super-2 number, since 2×1053540472 = 22198950438556418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105354097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52677023 + 52677024.

It is an arithmetic number, because the mean of its divisors is an integer number (52677024).

Almost surely, 2105354047 is an apocalyptic number.

105354047 is a deficient number, since it is larger than the sum of its proper divisors (1).

105354047 is an equidigital number, since it uses as much as digits as its factorization.

105354047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 105354047 is about 10264.2119522153. The cubic root of 105354047 is about 472.2990525007.

The spelling of 105354047 in words is "one hundred five million, three hundred fifty-four thousand, forty-seven".