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10142803 = 11922073
BaseRepresentation
bin100110101100…
…010001010011
3201002022022101
4212230101103
510044032203
61001221231
7152132566
oct46542123
921068271
1010142803
1157a8490
123491817
132141878
1414c04dd
15d5541d
hex9ac453

10142803 has 4 divisors (see below), whose sum is σ = 11064888. Its totient is φ = 9220720.

The previous prime is 10142801. The next prime is 10142807. The reversal of 10142803 is 30824101.

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

It is a cyclic number.

It is not a de Polignac number, because 10142803 - 21 = 10142801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10142801) 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, 461026 + ... + 461047.

It is an arithmetic number, because the mean of its divisors is an integer number (2766222).

Almost surely, 210142803 is an apocalyptic number.

10142803 is a deficient number, since it is larger than the sum of its proper divisors (922085).

10142803 is an equidigital number, since it uses as much as digits as its factorization.

10142803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922084.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 10142803 is about 3184.7767582674. The cubic root of 10142803 is about 216.4641581865.

Adding to 10142803 its reverse (30824101), we get a palindrome (40966904).

The spelling of 10142803 in words is "ten million, one hundred forty-two thousand, eight hundred three".

Divisors: 1 11 922073 10142803