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47380429 is a prime number
BaseRepresentation
bin1011010010111…
…1011111001101
310022011011201201
42310233133031
544112133204
64411305501
71113504235
oct264573715
9108134651
1047380429
1124821688
1213a4b291
139a7bc75
146414cc5
15425d9a4
hex2d2f7cd

47380429 has 2 divisors, whose sum is σ = 47380430. Its totient is φ = 47380428.

The previous prime is 47380423. The next prime is 47380439. The reversal of 47380429 is 92408374.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41951529 + 5428900 = 6477^2 + 2330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47380429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47380423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23690214 + 23690215.

It is an arithmetic number, because the mean of its divisors is an integer number (23690215).

Almost surely, 247380429 is an apocalyptic number.

It is an amenable number.

47380429 is a deficient number, since it is larger than the sum of its proper divisors (1).

47380429 is an equidigital number, since it uses as much as digits as its factorization.

47380429 is an odious number, because the sum of its binary digits is odd.

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

The square root of 47380429 is about 6883.3443179896. The cubic root of 47380429 is about 361.8536821043.

The spelling of 47380429 in words is "forty-seven million, three hundred eighty thousand, four hundred twenty-nine".