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469891 is a prime number
BaseRepresentation
bin1110010101110000011
3212212120101
41302232003
5110014031
614023231
73664642
oct1625603
9785511
10469891
112a1044
121a7b17
13135b56
14c3359
1594361
hex72b83

469891 has 2 divisors, whose sum is σ = 469892. Its totient is φ = 469890.

The previous prime is 469879. The next prime is 469907. The reversal of 469891 is 198964.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 469891 - 29 = 469379 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 469891.

It is not a weakly prime, because it can be changed into another prime (469801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234945 + 234946.

It is an arithmetic number, because the mean of its divisors is an integer number (234946).

2469891 is an apocalyptic number.

469891 is a deficient number, since it is larger than the sum of its proper divisors (1).

469891 is an equidigital number, since it uses as much as digits as its factorization.

469891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 469891 is about 685.4859590101. The cubic root of 469891 is about 77.7437900631.

The spelling of 469891 in words is "four hundred sixty-nine thousand, eight hundred ninety-one".