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102304355 = 520460871
BaseRepresentation
bin1100001100100…
…00101001100011
321010111121012012
412012100221203
5202142214410
614052423135
72351400266
oct606205143
9233447165
10102304355
115282585a
122a317aab
131826c62a
14d830cdd
158eac605
hex6190a63

102304355 has 4 divisors (see below), whose sum is σ = 122765232. Its totient is φ = 81843480.

The previous prime is 102304331. The next prime is 102304361. The reversal of 102304355 is 553403201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102304355 - 28 = 102304099 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 102304355.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 10230431 + ... + 10230440.

It is an arithmetic number, because the mean of its divisors is an integer number (30691308).

Almost surely, 2102304355 is an apocalyptic number.

102304355 is a deficient number, since it is larger than the sum of its proper divisors (20460877).

102304355 is an equidigital number, since it uses as much as digits as its factorization.

102304355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460876.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 102304355 is about 10114.5615327606. The cubic root of 102304355 is about 467.6971324918.

Adding to 102304355 its reverse (553403201), we get a palindrome (655707556).

The spelling of 102304355 in words is "one hundred two million, three hundred four thousand, three hundred fifty-five".

Divisors: 1 5 20460871 102304355