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47097319 is a prime number
BaseRepresentation
bin1011001110101…
…0010111100111
310021121210101011
42303222113213
544024103234
64401243051
71111214653
oct263522747
9107553334
1047097319
1124648a05
1213933487
1399b0149
14637da63
154204b64
hex2cea5e7

47097319 has 2 divisors, whose sum is σ = 47097320. Its totient is φ = 47097318.

The previous prime is 47097317. The next prime is 47097359. The reversal of 47097319 is 91379074.

It is an a-pointer prime, because the next prime (47097359) can be obtained adding 47097319 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47097319 - 21 = 47097317 is a prime.

It is a super-2 number, since 2×470973192 = 4436314913975522, which contains 22 as substring.

Together with 47097317, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47097313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23548659 + 23548660.

It is an arithmetic number, because the mean of its divisors is an integer number (23548660).

Almost surely, 247097319 is an apocalyptic number.

47097319 is a deficient number, since it is larger than the sum of its proper divisors (1).

47097319 is an equidigital number, since it uses as much as digits as its factorization.

47097319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 47097319 is about 6862.7486475901. The cubic root of 47097319 is about 361.1315195163.

The spelling of 47097319 in words is "forty-seven million, ninety-seven thousand, three hundred nineteen".