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105263311 = 1011042211
BaseRepresentation
bin1100100011000…
…11000011001111
321100001221010011
412101203003033
5203421411221
614240054051
72415503056
oct621430317
9240057104
10105263311
115446697a
122b304327
1318a673aa
14dda139d
1593941e1
hex64630cf

105263311 has 4 divisors (see below), whose sum is σ = 106305624. Its totient is φ = 104221000.

The previous prime is 105263297. The next prime is 105263329. The reversal of 105263311 is 113362501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105263311 - 29 = 105262799 is a prime.

It is a super-2 number, since 2×1052633112 = 22160729285365442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105263351) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 521005 + ... + 521206.

It is an arithmetic number, because the mean of its divisors is an integer number (26576406).

Almost surely, 2105263311 is an apocalyptic number.

105263311 is a deficient number, since it is larger than the sum of its proper divisors (1042313).

105263311 is a wasteful number, since it uses less digits than its factorization.

105263311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042312.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 105263311 is about 10259.7909822764. The cubic root of 105263311 is about 472.1634246290.

The spelling of 105263311 in words is "one hundred five million, two hundred sixty-three thousand, three hundred eleven".

Divisors: 1 101 1042211 105263311