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105044279 is a prime number
BaseRepresentation
bin1100100001011…
…01100100110111
321022122210122212
412100231210313
5203342404104
614231244035
72413601354
oct620554467
9238583585
10105044279
115432735a
122b21961b
13189bb7a2
14dd4562b
15934e36e
hex642d937

105044279 has 2 divisors, whose sum is σ = 105044280. Its totient is φ = 105044278.

The previous prime is 105044267. The next prime is 105044311. The reversal of 105044279 is 972440501.

It is a happy number.

It is an a-pointer prime, because the next prime (105044311) can be obtained adding 105044279 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105044279 - 224 = 88267063 is a prime.

It is a super-2 number, since 2×1050442792 = 22068601101259682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105044579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52522139 + 52522140.

It is an arithmetic number, because the mean of its divisors is an integer number (52522140).

Almost surely, 2105044279 is an apocalyptic number.

105044279 is a deficient number, since it is larger than the sum of its proper divisors (1).

105044279 is an equidigital number, since it uses as much as digits as its factorization.

105044279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 105044279 is about 10249.1111321909. Note that the first 4 decimals coincide. The cubic root of 105044279 is about 471.8357045125.

The spelling of 105044279 in words is "one hundred five million, forty-four thousand, two hundred seventy-nine".