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105445133 = 2329315647
BaseRepresentation
bin1100100100011…
…11011100001101
321100102011112022
412102033130031
5203443221013
614244015525
72420161133
oct622173415
9240364468
10105445133
1154580542
122b3915a5
1318acc091
141000b753
1593cd008
hex648f70d

105445133 has 8 divisors (see below), whose sum is σ = 110412288. Its totient is φ = 100509904.

The previous prime is 105445129. The next prime is 105445139. The reversal of 105445133 is 331544501.

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 105445133 - 22 = 105445129 is a prime.

It is a super-2 number, since 2×1054451332 = 22237352146775378, 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 (105445139) 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, 1085 + ... + 14562.

It is an arithmetic number, because the mean of its divisors is an integer number (13801536).

Almost surely, 2105445133 is an apocalyptic number.

It is an amenable number.

105445133 is a deficient number, since it is larger than the sum of its proper divisors (4967155).

105445133 is a wasteful number, since it uses less digits than its factorization.

105445133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15963.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 105445133 is about 10268.6480609669. The cubic root of 105445133 is about 472.4351252345.

Adding to 105445133 its reverse (331544501), we get a palindrome (436989634).

The spelling of 105445133 in words is "one hundred five million, four hundred forty-five thousand, one hundred thirty-three".

Divisors: 1 23 293 6739 15647 359881 4584571 105445133