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105028871 is a prime number
BaseRepresentation
bin1100100001010…
…01110100000111
321022122000112012
412100221310013
5203341410441
614231044435
72413505423
oct620516407
9238560465
10105028871
1154316822
122b21071b
13189b477c
14dd3db83
1593499eb
hex6429d07

105028871 has 2 divisors, whose sum is σ = 105028872. Its totient is φ = 105028870.

The previous prime is 105028849. The next prime is 105028877. The reversal of 105028871 is 178820501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105028871 is a prime.

It is a super-2 number, since 2×1050288712 = 22062127487069282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105028877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52514435 + 52514436.

It is an arithmetic number, because the mean of its divisors is an integer number (52514436).

Almost surely, 2105028871 is an apocalyptic number.

105028871 is a deficient number, since it is larger than the sum of its proper divisors (1).

105028871 is an equidigital number, since it uses as much as digits as its factorization.

105028871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 105028871 is about 10248.3594296843. The cubic root of 105028871 is about 471.8126336066.

The spelling of 105028871 in words is "one hundred five million, twenty-eight thousand, eight hundred seventy-one".