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105630346 = 252815173
BaseRepresentation
bin1100100101111…
…00101010001010
321100202120121001
412102330222022
5204020132341
614252005214
72421562123
oct622745212
9240676531
10105630346
1154697708
122b46080a
1318b65483
141005904a
159417d31
hex64bca8a

105630346 has 4 divisors (see below), whose sum is σ = 158445522. Its totient is φ = 52815172.

The previous prime is 105630331. The next prime is 105630359. The reversal of 105630346 is 643036501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105288121 + 342225 = 10261^2 + 585^2 .

It is a super-2 number, since 2×1056303462 = 22315539992159432, which contains 22 as substring.

It is an unprimeable number.

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, 26407585 + ... + 26407588.

Almost surely, 2105630346 is an apocalyptic number.

105630346 is a deficient number, since it is larger than the sum of its proper divisors (52815176).

105630346 is an equidigital number, since it uses as much as digits as its factorization.

105630346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52815175.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 105630346 is about 10277.6624774313. The cubic root of 105630346 is about 472.7115721498.

Adding to 105630346 its reverse (643036501), we get a palindrome (748666847).

The spelling of 105630346 in words is "one hundred five million, six hundred thirty thousand, three hundred forty-six".

Divisors: 1 2 52815173 105630346