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47481029 is a prime number
BaseRepresentation
bin1011010100100…
…0000011000101
310022100021201122
42311020003011
544123343104
64413403325
71114403441
oct265100305
9108307648
1047481029
1124890222
1213a99545
139ab59ab
14643d821
15427d6be
hex2d480c5

47481029 has 2 divisors, whose sum is σ = 47481030. Its totient is φ = 47481028.

The previous prime is 47481001. The next prime is 47481041. The reversal of 47481029 is 92018474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 1444804 = 6785^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 47481029 - 28 = 47480773 is a prime.

It is a super-2 number, since 2×474810292 = 4508896229797682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47481029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47481059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23740514 + 23740515.

It is an arithmetic number, because the mean of its divisors is an integer number (23740515).

Almost surely, 247481029 is an apocalyptic number.

It is an amenable number.

47481029 is a deficient number, since it is larger than the sum of its proper divisors (1).

47481029 is an equidigital number, since it uses as much as digits as its factorization.

47481029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 47481029 is about 6890.6479376035. The cubic root of 47481029 is about 362.1096017446.

The spelling of 47481029 in words is "forty-seven million, four hundred eighty-one thousand, twenty-nine".