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47784053 is a prime number
BaseRepresentation
bin1011011001001…
…0000001110101
310022220200101202
42312102001311
544213042203
64424102245
71120105052
oct266220165
9108820352
1047784053
1124a77959
1214004985
139b908b5
1464bc029
1542dd388
hex2d92075

47784053 has 2 divisors, whose sum is σ = 47784054. Its totient is φ = 47784052.

The previous prime is 47784047. The next prime is 47784067. The reversal of 47784053 is 35048774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42797764 + 4986289 = 6542^2 + 2233^2 .

It is a cyclic number.

It is not a de Polignac number, because 47784053 - 212 = 47779957 is a prime.

It is a super-2 number, since 2×477840532 = 4566631442213618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47783998 and 47784016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47784553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23892026 + 23892027.

It is an arithmetic number, because the mean of its divisors is an integer number (23892027).

Almost surely, 247784053 is an apocalyptic number.

It is an amenable number.

47784053 is a deficient number, since it is larger than the sum of its proper divisors (1).

47784053 is an equidigital number, since it uses as much as digits as its factorization.

47784053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 47784053 is about 6912.6010300031. The cubic root of 47784053 is about 362.8782967969.

The spelling of 47784053 in words is "forty-seven million, seven hundred eighty-four thousand, fifty-three".