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105192443 = 372843039
BaseRepresentation
bin1100100010100…
…01101111111011
321022221022220102
412101101233323
5203412124233
614234350015
72415056336
oct621215773
9238838812
10105192443
1154418704
122b28b30b
1318a41065
14dd8361d
15937d1e8
hex6451bfb

105192443 has 4 divisors (see below), whose sum is σ = 108035520. Its totient is φ = 102349368.

The previous prime is 105192433. The next prime is 105192463. The reversal of 105192443 is 344291501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344291501 = 397867233.

It is a cyclic number.

It is not a de Polignac number, because 105192443 - 210 = 105191419 is a prime.

It is a super-2 number, since 2×1051924432 = 22130900128616498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105192433) 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, 1421483 + ... + 1421556.

It is an arithmetic number, because the mean of its divisors is an integer number (27008880).

Almost surely, 2105192443 is an apocalyptic number.

105192443 is a deficient number, since it is larger than the sum of its proper divisors (2843077).

105192443 is an equidigital number, since it uses as much as digits as its factorization.

105192443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843076.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 105192443 is about 10256.3367241915. The cubic root of 105192443 is about 472.0574402828.

The spelling of 105192443 in words is "one hundred five million, one hundred ninety-two thousand, four hundred forty-three".

Divisors: 1 37 2843039 105192443