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470389 is a prime number
BaseRepresentation
bin1110010110101110101
3212220020211
41302311311
5110023024
614025421
73666253
oct1626565
9786224
10470389
112a1457
121a8271
1313614a
14c35d3
1594594
hex72d75

470389 has 2 divisors, whose sum is σ = 470390. Its totient is φ = 470388.

The previous prime is 470359. The next prime is 470399. The reversal of 470389 is 983074.

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., 342225 + 128164 = 585^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 470389 - 29 = 469877 is a prime.

It is a super-2 number, since 2×4703892 = 442531622642, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 470389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235194 + 235195.

It is an arithmetic number, because the mean of its divisors is an integer number (235195).

2470389 is an apocalyptic number.

It is an amenable number.

470389 is a deficient number, since it is larger than the sum of its proper divisors (1).

470389 is an equidigital number, since it uses as much as digits as its factorization.

470389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 470389 is about 685.8491087696. The cubic root of 470389 is about 77.7712451807.

The spelling of 470389 in words is "four hundred seventy thousand, three hundred eighty-nine".