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105468947 = 1011044247
BaseRepresentation
bin1100100100101…
…01010000010011
321100110101012022
412102111100103
5204000001242
614244322055
72420320433
oct622252023
9240411168
10105468947
1154597421
122b3a332b
1318b09b7c
14100162c3
1593d50d2
hex6495413

105468947 has 4 divisors (see below), whose sum is σ = 106513296. Its totient is φ = 104424600.

The previous prime is 105468919. The next prime is 105468949. The reversal of 105468947 is 749864501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749864501 = 1017424401.

It is a cyclic number.

It is not a de Polignac number, because 105468947 - 28 = 105468691 is a prime.

It is a super-2 number, since 2×1054689472 = 22247397562577618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105468898 and 105468907.

It is not an unprimeable number, because it can be changed into a prime (105468949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522023 + ... + 522224.

It is an arithmetic number, because the mean of its divisors is an integer number (26628324).

Almost surely, 2105468947 is an apocalyptic number.

105468947 is a deficient number, since it is larger than the sum of its proper divisors (1044349).

105468947 is a wasteful number, since it uses less digits than its factorization.

105468947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044348.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 105468947 is about 10269.8075444479. The cubic root of 105468947 is about 472.4706878786.

The spelling of 105468947 in words is "one hundred five million, four hundred sixty-eight thousand, nine hundred forty-seven".

Divisors: 1 101 1044247 105468947