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47080457 is a prime number
BaseRepresentation
bin1011001110011…
…0010000001001
310021120221020122
42303212100021
544023033312
64401033025
71111114544
oct263462011
9107527218
1047080457
1124637276
1213925775
1399a5578
14637785b
1541eeb72
hex2ce6409

47080457 has 2 divisors, whose sum is σ = 47080458. Its totient is φ = 47080456.

The previous prime is 47080409. The next prime is 47080459. The reversal of 47080457 is 75408074.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29474041 + 17606416 = 5429^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 47080457 - 218 = 46818313 is a prime.

Together with 47080459, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p2836169 and since 47080457 and 2836169 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47080459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23540228 + 23540229.

It is an arithmetic number, because the mean of its divisors is an integer number (23540229).

Almost surely, 247080457 is an apocalyptic number.

It is an amenable number.

47080457 is a deficient number, since it is larger than the sum of its proper divisors (1).

47080457 is an equidigital number, since it uses as much as digits as its factorization.

47080457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 47080457 is about 6861.5200211032. The cubic root of 47080457 is about 361.0884163796.

The spelling of 47080457 in words is "forty-seven million, eighty thousand, four hundred fifty-seven".