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102302 = 251151
BaseRepresentation
bin11000111110011110
312012022222
4120332132
511233202
62105342
7604154
oct307636
9165288
10102302
116a952
124b252
1337745
14293d4
15204a2
hex18f9e

102302 has 4 divisors (see below), whose sum is σ = 153456. Its totient is φ = 51150.

The previous prime is 102301. The next prime is 102317. The reversal of 102302 is 203201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203201 = 1711953.

It is a self number, because there is not a number n which added to its sum of digits gives 102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102301) 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 as a sum of consecutive naturals, namely, 25574 + ... + 25577.

It is an arithmetic number, because the mean of its divisors is an integer number (38364).

2102302 is an apocalyptic number.

102302 is a deficient number, since it is larger than the sum of its proper divisors (51154).

102302 is an equidigital number, since it uses as much as digits as its factorization.

102302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51153.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 102302 is about 319.8468383461. The cubic root of 102302 is about 46.7693543739.

Adding to 102302 its reverse (203201), we get a palindrome (305503).

It can be divided in two parts, 102 and 302, that added together give a palindrome (404).

The spelling of 102302 in words is "one hundred two thousand, three hundred two", and thus it is an iban number.

Divisors: 1 2 51151 102302