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105136727 = 412925463
BaseRepresentation
bin1100100010001…
…00001001010111
321022211111110212
412101010021113
5203403333402
614233240035
72414435033
oct621041127
9238744425
10105136727
115438a863
122b26301b
1318a218a7
14dd6b1c3
15936b952
hex6444257

105136727 has 4 divisors (see below), whose sum is σ = 105166320. Its totient is φ = 105107136.

The previous prime is 105136673. The next prime is 105136753. The reversal of 105136727 is 727631501.

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 105136727 - 26 = 105136663 is a prime.

It is a super-2 number, since 2×1051367272 = 22107462728545058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105136693 and 105136702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105136027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8603 + ... + 16860.

It is an arithmetic number, because the mean of its divisors is an integer number (26291580).

Almost surely, 2105136727 is an apocalyptic number.

105136727 is a deficient number, since it is larger than the sum of its proper divisors (29593).

105136727 is an equidigital number, since it uses as much as digits as its factorization.

105136727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29592.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 105136727 is about 10253.6201899622. The cubic root of 105136727 is about 471.9740825925.

The spelling of 105136727 in words is "one hundred five million, one hundred thirty-six thousand, seven hundred twenty-seven".

Divisors: 1 4129 25463 105136727