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812914 = 2537669
BaseRepresentation
bin11000110011101110010
31112022002221
43012131302
5202003124
625231254
76624004
oct3063562
91468087
10812914
11505833
1233252a
1322601b
14172374
15110ce4
hexc6772

812914 has 8 divisors (see below), whose sum is σ = 1242540. Its totient is φ = 398736.

The previous prime is 812869. The next prime is 812921. The reversal of 812914 is 419218.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 119025 = 833^2 + 345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

812914 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3729 + ... + 3940.

2812914 is an apocalyptic number.

812914 is a deficient number, since it is larger than the sum of its proper divisors (429626).

812914 is a wasteful number, since it uses less digits than its factorization.

812914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724.

The product of its digits is 576, while the sum is 25.

The square root of 812914 is about 901.6174355013. The cubic root of 812914 is about 93.3286250459.

The spelling of 812914 in words is "eight hundred twelve thousand, nine hundred fourteen".

Divisors: 1 2 53 106 7669 15338 406457 812914