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47930539 is a prime number
BaseRepresentation
bin1011011011010…
…1110010101011
310100012010100011
42312311302223
544232234124
64431152351
71121255116
oct266656253
9110163304
1047930539
1125067a18
12140756b7
139c12487
14651957d
15431b994
hex2db5cab

47930539 has 2 divisors, whose sum is σ = 47930540. Its totient is φ = 47930538.

The previous prime is 47930537. The next prime is 47930563. The reversal of 47930539 is 93503974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47930539 - 21 = 47930537 is a prime.

Together with 47930537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47930537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23965269 + 23965270.

It is an arithmetic number, because the mean of its divisors is an integer number (23965270).

Almost surely, 247930539 is an apocalyptic number.

47930539 is a deficient number, since it is larger than the sum of its proper divisors (1).

47930539 is an equidigital number, since it uses as much as digits as its factorization.

47930539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 47930539 is about 6923.1884995282. The cubic root of 47930539 is about 363.2487297518.

The spelling of 47930539 in words is "forty-seven million, nine hundred thirty thousand, five hundred thirty-nine".