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105143132 = 2226285783
BaseRepresentation
bin1100100010001…
…01101101011100
321022211211021002
412101011231130
5203404040012
614233325432
72414462513
oct621055534
9238754232
10105143132
1154394656
122b266878
1318a24793
14dd6d67a
15936d7c2
hex6445b5c

105143132 has 6 divisors (see below), whose sum is σ = 184000488. Its totient is φ = 52571564.

The previous prime is 105143123. The next prime is 105143153. The reversal of 105143132 is 231341501.

It is a super-2 number, since 2×1051431322 = 22110156413538848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13142888 + ... + 13142895.

It is an arithmetic number, because the mean of its divisors is an integer number (30666748).

Almost surely, 2105143132 is an apocalyptic number.

It is an amenable number.

105143132 is a deficient number, since it is larger than the sum of its proper divisors (78857356).

105143132 is a wasteful number, since it uses less digits than its factorization.

105143132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26285787 (or 26285785 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 105143132 is about 10253.9325139187. The cubic root of 105143132 is about 471.9836667239.

Adding to 105143132 its reverse (231341501), we get a palindrome (336484633).

The spelling of 105143132 in words is "one hundred five million, one hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 26285783 52571566 105143132