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105320743 = 1119503927
BaseRepresentation
bin1100100011100…
…01000100100111
321100011211220021
412101301010213
5203430230433
614241220011
72416132363
oct621610447
9240154807
10105320743
11544a6040
122b331607
1318a87588
14ddb82a3
1593a622d
hex6471127

105320743 has 8 divisors (see below), whose sum is σ = 120942720. Its totient is φ = 90706680.

The previous prime is 105320711. The next prime is 105320773. The reversal of 105320743 is 347023501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105320743 - 25 = 105320711 is a prime.

It is a super-2 number, since 2×1053207432 = 22184917812144098, 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 (105320773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251755 + ... + 252172.

It is an arithmetic number, because the mean of its divisors is an integer number (15117840).

Almost surely, 2105320743 is an apocalyptic number.

105320743 is a deficient number, since it is larger than the sum of its proper divisors (15621977).

105320743 is a wasteful number, since it uses less digits than its factorization.

105320743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503957.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 105320743 is about 10262.5894880386. The cubic root of 105320743 is about 472.2492803094.

The spelling of 105320743 in words is "one hundred five million, three hundred twenty thousand, seven hundred forty-three".

Divisors: 1 11 19 209 503927 5543197 9574613 105320743