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814120 = 23520353
BaseRepresentation
bin11000110110000101000
31112100202121
43012300220
5202022440
625241024
76630346
oct3066050
91470677
10814120
1150672a
12333174
13226738
14172996
1511134a
hexc6c28

814120 has 16 divisors (see below), whose sum is σ = 1831860. Its totient is φ = 325632.

The previous prime is 814097. The next prime is 814127. The reversal of 814120 is 21418.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 14884 = 894^2 + 122^2 .

It is an Ulam number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 814094 and 814103.

It is not an unprimeable number, because it can be changed into a prime (814127) by changing a digit.

814120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10137 + ... + 10216.

2814120 is an apocalyptic number.

It is an amenable number.

814120 is an abundant number, since it is smaller than the sum of its proper divisors (1017740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814120 is a wasteful number, since it uses less digits than its factorization.

814120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20364 (or 20360 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 814120 is about 902.2859857052. The cubic root of 814120 is about 93.3747548570.

Adding to 814120 its reverse (21418), we get a palindrome (835538).

The spelling of 814120 in words is "eight hundred fourteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 20353 40706 81412 101765 162824 203530 407060 814120