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102543124 = 2225635781
BaseRepresentation
bin1100001110010…
…10111100010100
321010221201201111
412013022330110
5202222334444
614101504404
72353413355
oct607127424
9233851644
10102543124
1152979192
122a412104
1318324208
14d893d2c
159008234
hex61caf14

102543124 has 6 divisors (see below), whose sum is σ = 179450474. Its totient is φ = 51271560.

The previous prime is 102543113. The next prime is 102543149. The reversal of 102543124 is 421345201.

It can be written as a sum of positive squares in only one way, i.e., 75690000 + 26853124 = 8700^2 + 5182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102543095 and 102543104.

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, 12817887 + ... + 12817894.

Almost surely, 2102543124 is an apocalyptic number.

It is an amenable number.

102543124 is a deficient number, since it is larger than the sum of its proper divisors (76907350).

102543124 is a wasteful number, since it uses less digits than its factorization.

102543124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635785 (or 25635783 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102543124 is about 10126.3578842543. The cubic root of 102543124 is about 468.0607038895.

Adding to 102543124 its reverse (421345201), we get a palindrome (523888325).

The spelling of 102543124 in words is "one hundred two million, five hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 25635781 51271562 102543124