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105434863 = 397265579
BaseRepresentation
bin1100100100011…
…00111011101111
321100101122102221
412102030323233
5203442403423
614243500211
72420116162
oct622147357
9240348387
10105434863
1154573856
122b387667
1318ac74c1
1410007ad9
1593c9e5d
hex648ceef

105434863 has 4 divisors (see below), whose sum is σ = 105700840. Its totient is φ = 105168888.

The previous prime is 105434837. The next prime is 105434873. The reversal of 105434863 is 368434501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105434863 - 217 = 105303791 is a prime.

It is a super-2 number, since 2×1054348632 = 22233020671657538, 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 (105434803) 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, 132393 + ... + 133186.

It is an arithmetic number, because the mean of its divisors is an integer number (26425210).

Almost surely, 2105434863 is an apocalyptic number.

105434863 is a deficient number, since it is larger than the sum of its proper divisors (265977).

105434863 is an equidigital number, since it uses as much as digits as its factorization.

105434863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265976.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 105434863 is about 10268.1479829617. The cubic root of 105434863 is about 472.4197868744.

The spelling of 105434863 in words is "one hundred five million, four hundred thirty-four thousand, eight hundred sixty-three".

Divisors: 1 397 265579 105434863