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105272463 = 335090821
BaseRepresentation
bin1100100011001…
…01010010001111
321100002101200010
412101211102033
5203422204323
614240204303
72415541542
oct621452217
9240071603
10105272463
115447283a
122b309693
1318a6b5ca
14dda4859
159396c93
hex646548f

105272463 has 4 divisors (see below), whose sum is σ = 140363288. Its totient is φ = 70181640.

The previous prime is 105272423. The next prime is 105272467. The reversal of 105272463 is 364272501.

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

It is not a de Polignac number, because 105272463 - 28 = 105272207 is a prime.

It is a super-2 number, since 2×1052724632 = 22164582932172738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105272463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105272467) 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, 17545408 + ... + 17545413.

It is an arithmetic number, because the mean of its divisors is an integer number (35090822).

Almost surely, 2105272463 is an apocalyptic number.

105272463 is a deficient number, since it is larger than the sum of its proper divisors (35090825).

105272463 is an equidigital number, since it uses as much as digits as its factorization.

105272463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35090824.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 105272463 is about 10260.2369855671. The cubic root of 105272463 is about 472.1771081382.

The spelling of 105272463 in words is "one hundred five million, two hundred seventy-two thousand, four hundred sixty-three".

Divisors: 1 3 35090821 105272463