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47496241 = 133653557
BaseRepresentation
bin1011010100101…
…1110000110001
310022101001121001
42311023300301
544124334431
64414002001
71114466002
oct265136061
9108331531
1047496241
11248a06a1
1213aa6301
139abc8b0
1464451a9
154282e61
hex2d4bc31

47496241 has 4 divisors (see below), whose sum is σ = 51149812. Its totient is φ = 43842672.

The previous prime is 47496227. The next prime is 47496259. The reversal of 47496241 is 14269474.

It is a happy number.

47496241 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, and also an emirpimes, since its reverse is a distinct semiprime: 14269474 = 27134737.

It can be written as a sum of positive squares in 2 ways, for example, as 15968016 + 31528225 = 3996^2 + 5615^2 .

It is a cyclic number.

It is not a de Polignac number, because 47496241 - 29 = 47495729 is a prime.

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 47496241.

It is not an unprimeable number, because it can be changed into a prime (47490241) 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, 1826766 + ... + 1826791.

It is an arithmetic number, because the mean of its divisors is an integer number (12787453).

Almost surely, 247496241 is an apocalyptic number.

It is an amenable number.

47496241 is a deficient number, since it is larger than the sum of its proper divisors (3653571).

47496241 is a wasteful number, since it uses less digits than its factorization.

47496241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653570.

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

The square root of 47496241 is about 6891.7516641272. The cubic root of 47496241 is about 362.1482685779.

The spelling of 47496241 in words is "forty-seven million, four hundred ninety-six thousand, two hundred forty-one".

Divisors: 1 13 3653557 47496241