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105245441 = 715035063
BaseRepresentation
bin1100100010111…
…10101100000001
321100001000121022
412101132230001
5203420323231
614235435225
72415400010
oct621365401
9240030538
10105245441
1154454504
122b2b5b15
1318a5c212
14dd98a77
15938dc7b
hex645eb01

105245441 has 4 divisors (see below), whose sum is σ = 120280512. Its totient is φ = 90210372.

The previous prime is 105245431. The next prime is 105245449. The reversal of 105245441 is 144542501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-105245441 is a prime.

It is a super-2 number, since 2×1052454412 = 22153205702568962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105245441.

It is not an unprimeable number, because it can be changed into a prime (105245449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7517525 + ... + 7517538.

It is an arithmetic number, because the mean of its divisors is an integer number (30070128).

Almost surely, 2105245441 is an apocalyptic number.

It is an amenable number.

105245441 is a deficient number, since it is larger than the sum of its proper divisors (15035071).

105245441 is an equidigital number, since it uses as much as digits as its factorization.

105245441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15035070.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 105245441 is about 10258.9200698709. The cubic root of 105245441 is about 472.1367042145.

Adding to 105245441 its reverse (144542501), we get a palindrome (249787942).

The spelling of 105245441 in words is "one hundred five million, two hundred forty-five thousand, four hundred forty-one".

Divisors: 1 7 15035063 105245441