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47423533 is a prime number
BaseRepresentation
bin1011010011101…
…0000000101101
310022020100212011
42310322000231
544120023113
64412241221
71114044013
oct264720055
9108210764
1047423533
1124851003
1213a70211
139a95781
1464268b3
15426b63d
hex2d3a02d

47423533 has 2 divisors, whose sum is σ = 47423534. Its totient is φ = 47423532.

The previous prime is 47423507. The next prime is 47423543. The reversal of 47423533 is 33532474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26245129 + 21178404 = 5123^2 + 4602^2 .

It is a cyclic number.

It is not a de Polignac number, because 47423533 - 213 = 47415341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47423495 and 47423504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47423503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23711766 + 23711767.

It is an arithmetic number, because the mean of its divisors is an integer number (23711767).

Almost surely, 247423533 is an apocalyptic number.

It is an amenable number.

47423533 is a deficient number, since it is larger than the sum of its proper divisors (1).

47423533 is an equidigital number, since it uses as much as digits as its factorization.

47423533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 31.

The square root of 47423533 is about 6886.4746423696. The cubic root of 47423533 is about 361.9633800955.

The spelling of 47423533 in words is "forty-seven million, four hundred twenty-three thousand, five hundred thirty-three".