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47469241 = 181262261
BaseRepresentation
bin1011010100010…
…1001010111001
310022022200120001
42311011022321
544123003431
64413233001
71114324201
oct265051271
9108280501
1047469241
1124882386
1213a92761
139ab0511
146439401
154279e61
hex2d452b9

47469241 has 4 divisors (see below), whose sum is σ = 47731684. Its totient is φ = 47206800.

The previous prime is 47469193. The next prime is 47469269. The reversal of 47469241 is 14296474.

It is a happy number.

47469241 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 can be written as a sum of positive squares in 2 ways, for example, as 13875625 + 33593616 = 3725^2 + 5796^2 .

It is a cyclic number.

It is not a de Polignac number, because 47469241 - 213 = 47461049 is a prime.

It is a super-2 number, since 2×474692412 = 4506657682232162, which contains 22 as substring.

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 47469241.

It is not an unprimeable number, because it can be changed into a prime (47469271) 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, 130950 + ... + 131311.

It is an arithmetic number, because the mean of its divisors is an integer number (11932921).

Almost surely, 247469241 is an apocalyptic number.

It is an amenable number.

47469241 is a deficient number, since it is larger than the sum of its proper divisors (262443).

47469241 is a wasteful number, since it uses less digits than its factorization.

47469241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262442.

The product of its digits is 48384, while the sum is 37.

The square root of 47469241 is about 6889.7925222753. The cubic root of 47469241 is about 362.0796325733.

The spelling of 47469241 in words is "forty-seven million, four hundred sixty-nine thousand, two hundred forty-one".

Divisors: 1 181 262261 47469241