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102303 = 35421
BaseRepresentation
bin11000111110011111
312012100000
4120332133
511233203
62105343
7604155
oct307637
9165300
10102303
116a953
124b253
1337746
14293d5
15204a3
hex18f9f

102303 has 12 divisors (see below), whose sum is σ = 153608. Its totient is φ = 68040.

The previous prime is 102301. The next prime is 102317. The reversal of 102303 is 303201.

Adding to 102303 its reverse (303201), we get a palindrome (405504).

It is a happy number.

It is not a de Polignac number, because 102303 - 21 = 102301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33 + ... + 453.

2102303 is an apocalyptic number.

102303 is a deficient number, since it is larger than the sum of its proper divisors (51305).

102303 is an frugal number, since it uses more digits than its factorization.

102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 102303 is about 319.8484015905. The cubic root of 102303 is about 46.7695067632.

The spelling of 102303 in words is "one hundred two thousand, three hundred three", and thus it is an iban number.

Divisors: 1 3 9 27 81 243 421 1263 3789 11367 34101 102303