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47530103 = 419113437
BaseRepresentation
bin1011010101010…
…0000001110111
310022102210001012
42311110001313
544131430403
64414422435
71114666505
oct265240167
9108383035
1047530103
1124914085
1213b01a1b
139b0212a
146453675
15428ced8
hex2d54077

47530103 has 4 divisors (see below), whose sum is σ = 47643960. Its totient is φ = 47416248.

The previous prime is 47530069. The next prime is 47530117. The reversal of 47530103 is 30103574.

It is a happy number.

47530103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47530103 is a prime.

It is a super-2 number, since 2×475301032 = 4518221382381218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47530003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56300 + ... + 57137.

It is an arithmetic number, because the mean of its divisors is an integer number (11910990).

Almost surely, 247530103 is an apocalyptic number.

47530103 is a deficient number, since it is larger than the sum of its proper divisors (113857).

47530103 is a wasteful number, since it uses less digits than its factorization.

47530103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113856.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 47530103 is about 6894.2079313000. The cubic root of 47530103 is about 362.2343115383.

Adding to 47530103 its reverse (30103574), we get a palindrome (77633677).

The spelling of 47530103 in words is "forty-seven million, five hundred thirty thousand, one hundred three".

Divisors: 1 419 113437 47530103