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801423 = 32712721
BaseRepresentation
bin11000011101010001111
31111201100100
43003222033
5201121143
625102143
76545340
oct3035217
91451310
10801423
114a8137
12327953
13220a1c
1416c0c7
1510c6d3
hexc3a8f

801423 has 12 divisors (see below), whose sum is σ = 1323088. Its totient is φ = 457920.

The previous prime is 801421. The next prime is 801461. The reversal of 801423 is 324108.

It is a happy number.

It is not a de Polignac number, because 801423 - 21 = 801421 is a prime.

It is a Duffinian number.

801423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 801396 and 801405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6298 + ... + 6423.

2801423 is an apocalyptic number.

801423 is a deficient number, since it is larger than the sum of its proper divisors (521665).

801423 is a wasteful number, since it uses less digits than its factorization.

801423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12734 (or 12731 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 801423 is about 895.2223187566. Note that the first 3 decimals coincide. The cubic root of 801423 is about 92.8867855770.

The spelling of 801423 in words is "eight hundred one thousand, four hundred twenty-three".

Divisors: 1 3 7 9 21 63 12721 38163 89047 114489 267141 801423