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47419 is a prime number
BaseRepresentation
bin1011100100111011
32102001021
423210323
53004134
61003311
7255151
oct134473
972037
1047419
1132699
1223537
1318778
14133d1
15e0b4
hexb93b

47419 has 2 divisors, whose sum is σ = 47420. Its totient is φ = 47418.

The previous prime is 47417. The next prime is 47431. The reversal of 47419 is 91474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47419 - 21 = 47417 is a prime.

It is a super-2 number, since 2×474192 = 4497123122, which contains 22 as substring.

Together with 47417, it forms a pair of twin primes.

It is an Ulam number.

47419 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 47393 and 47402.

It is not a weakly prime, because it can be changed into another prime (47417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23709 + 23710.

It is an arithmetic number, because the mean of its divisors is an integer number (23710).

247419 is an apocalyptic number.

47419 is a deficient number, since it is larger than the sum of its proper divisors (1).

47419 is an equidigital number, since it uses as much as digits as its factorization.

47419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 25.

The square root of 47419 is about 217.7590411441. The cubic root of 47419 is about 36.1951846917.

The spelling of 47419 in words is "forty-seven thousand, four hundred nineteen".