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105468643 = 715066949
BaseRepresentation
bin1100100100101…
…01001011100011
321100110100210001
412102111023203
5203444444033
614244320431
72420316520
oct622251343
9240410701
10105468643
1154597175
122b3a3117
1318b099a7
1410016147
1593d4e7d
hex64952e3

105468643 has 4 divisors (see below), whose sum is σ = 120535600. Its totient is φ = 90401688.

The previous prime is 105468641. The next prime is 105468659. The reversal of 105468643 is 346864501.

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 105468643 - 21 = 105468641 is a prime.

It is a super-2 number, since 2×1054686432 = 22247269312522898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105468641) 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, 7533468 + ... + 7533481.

It is an arithmetic number, because the mean of its divisors is an integer number (30133900).

Almost surely, 2105468643 is an apocalyptic number.

105468643 is a deficient number, since it is larger than the sum of its proper divisors (15066957).

105468643 is an equidigital number, since it uses as much as digits as its factorization.

105468643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066956.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 105468643 is about 10269.7927437704. The cubic root of 105468643 is about 472.4702339339.

It can be divided in two parts, 1054686 and 43, that added together give a square (1054729 = 10272).

The spelling of 105468643 in words is "one hundred five million, four hundred sixty-eight thousand, six hundred forty-three".

Divisors: 1 7 15066949 105468643