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47763241 = 197242453
BaseRepresentation
bin1011011000110…
…0111100101001
310022212121211221
42312030330221
544211410431
64423422041
71116660301
oct266147451
9108777757
1047763241
1124a63259
1213bb4921
139b84296
1464b4601
1542d7111
hex2d8cf29

47763241 has 4 divisors (see below), whose sum is σ = 48005892. Its totient is φ = 47520592.

The previous prime is 47763223. The next prime is 47763253. The reversal of 47763241 is 14236774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14236774 = 27118387.

It can be written as a sum of positive squares in 2 ways, for example, as 35652841 + 12110400 = 5971^2 + 3480^2 .

It is a cyclic number.

It is not a de Polignac number, because 47763241 - 223 = 39374633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47763197 and 47763206.

It is not an unprimeable number, because it can be changed into a prime (47763211) 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, 121030 + ... + 121423.

It is an arithmetic number, because the mean of its divisors is an integer number (12001473).

Almost surely, 247763241 is an apocalyptic number.

It is an amenable number.

47763241 is a deficient number, since it is larger than the sum of its proper divisors (242651).

47763241 is a wasteful number, since it uses less digits than its factorization.

47763241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242650.

The product of its digits is 28224, while the sum is 34.

The square root of 47763241 is about 6911.0954992678. The cubic root of 47763241 is about 362.8256061373.

The spelling of 47763241 in words is "forty-seven million, seven hundred sixty-three thousand, two hundred forty-one".

Divisors: 1 197 242453 47763241