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102282439 = 7109134053
BaseRepresentation
bin1100001100010…
…11010011000111
321010110111010111
412012023103013
5202141014224
614052133451
72351246350
oct606132307
9233414114
10102282439
1152810346
122a307287
131826266c
14d826d27
158ea5d94
hex618b4c7

102282439 has 8 divisors (see below), whose sum is σ = 117967520. Its totient is φ = 86865696.

The previous prime is 102282437. The next prime is 102282443. The reversal of 102282439 is 934282201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102282439 - 21 = 102282437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102282439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102282437) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 66264 + ... + 67789.

It is an arithmetic number, because the mean of its divisors is an integer number (14745940).

Almost surely, 2102282439 is an apocalyptic number.

102282439 is a deficient number, since it is larger than the sum of its proper divisors (15685081).

102282439 is a wasteful number, since it uses less digits than its factorization.

102282439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134169.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 102282439 is about 10113.4780861976. The cubic root of 102282439 is about 467.6637328632.

The spelling of 102282439 in words is "one hundred two million, two hundred eighty-two thousand, four hundred thirty-nine".

Divisors: 1 7 109 763 134053 938371 14611777 102282439