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855434 = 2427717
BaseRepresentation
bin11010000110110001010
31121110102202
43100312022
5204333214
630200202
710161656
oct3206612
91543382
10855434
11534778
12353062
1323c498
14183a66
1511d6de
hexd0d8a

855434 has 4 divisors (see below), whose sum is σ = 1283154. Its totient is φ = 427716.

The previous prime is 855431. The next prime is 855461. The reversal of 855434 is 434558.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 429025 + 426409 = 655^2 + 653^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 855397 and 855406.

It is not an unprimeable number, because it can be changed into a prime (855431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213857 + ... + 213860.

2855434 is an apocalyptic number.

855434 is a deficient number, since it is larger than the sum of its proper divisors (427720).

855434 is a wasteful number, since it uses less digits than its factorization.

855434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427719.

The product of its digits is 9600, while the sum is 29.

The square root of 855434 is about 924.8967509944. The cubic root of 855434 is about 94.9282560820.

The spelling of 855434 in words is "eight hundred fifty-five thousand, four hundred thirty-four".

Divisors: 1 2 427717 855434