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103043047 = 122983843
BaseRepresentation
bin1100010010001…
…00111111100111
321011220010111011
412021010333213
5202334334142
614120323051
72360565022
oct611047747
9234803434
10103043047
115318a848
122a613487
131846a923
14d9841b9
1590a6417
hex6244fe7

103043047 has 4 divisors (see below), whose sum is σ = 103128120. Its totient is φ = 102957976.

The previous prime is 103043027. The next prime is 103043053. The reversal of 103043047 is 740340301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 740340301 = 1938965279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103043047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103043027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40693 + ... + 43150.

It is an arithmetic number, because the mean of its divisors is an integer number (25782030).

Almost surely, 2103043047 is an apocalyptic number.

103043047 is a deficient number, since it is larger than the sum of its proper divisors (85073).

103043047 is an equidigital number, since it uses as much as digits as its factorization.

103043047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85072.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 103043047 is about 10151.0121170256. The cubic root of 103043047 is about 468.8201082219.

Adding to 103043047 its reverse (740340301), we get a palindrome (843383348).

The spelling of 103043047 in words is "one hundred three million, forty-three thousand, forty-seven".

Divisors: 1 1229 83843 103043047