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474391 is a prime number
BaseRepresentation
bin1110011110100010111
3220002202001
41303310113
5110140031
614100131
74014031
oct1636427
9802661
10474391
112a4465
121aa647
13137c08
14c4c51
1595861
hex73d17

474391 has 2 divisors, whose sum is σ = 474392. Its totient is φ = 474390.

The previous prime is 474389. The next prime is 474413. The reversal of 474391 is 193474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474391 - 21 = 474389 is a prime.

Together with 474389, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237195 + 237196.

It is an arithmetic number, because the mean of its divisors is an integer number (237196).

2474391 is an apocalyptic number.

474391 is a deficient number, since it is larger than the sum of its proper divisors (1).

474391 is an equidigital number, since it uses as much as digits as its factorization.

474391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 474391 is about 688.7604808640. The cubic root of 474391 is about 77.9911780511.

The spelling of 474391 in words is "four hundred seventy-four thousand, three hundred ninety-one".