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102842803 = 714691829
BaseRepresentation
bin1100010000101…
…00000110110011
321011111221210201
412020110012303
5202311432203
614112140031
72356102150
oct610240663
9234457721
10102842803
1153063358
122a537617
13183ca73b
14d931227
159066e1d
hex62141b3

102842803 has 4 divisors (see below), whose sum is σ = 117534640. Its totient is φ = 88150968.

The previous prime is 102842771. The next prime is 102842833. The reversal of 102842803 is 308248201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308248201 = 421732181.

It is a cyclic number.

It is not a de Polignac number, because 102842803 - 25 = 102842771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102842833) 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 in 3 ways as a sum of consecutive naturals, for example, 7345908 + ... + 7345921.

It is an arithmetic number, because the mean of its divisors is an integer number (29383660).

Almost surely, 2102842803 is an apocalyptic number.

102842803 is a deficient number, since it is larger than the sum of its proper divisors (14691837).

102842803 is an equidigital number, since it uses as much as digits as its factorization.

102842803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14691836.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 102842803 is about 10141.1440676089. The cubic root of 102842803 is about 468.5162245744.

The spelling of 102842803 in words is "one hundred two million, eight hundred forty-two thousand, eight hundred three".

Divisors: 1 7 14691829 102842803