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712316 = 221116189
BaseRepresentation
bin10101101111001111100
31100012010002
42231321330
5140243231
623133432
76024503
oct2557174
91305102
10712316
114471a0
122a4278
131bc2b7
1414783a
15e10cb
hexade7c

712316 has 12 divisors (see below), whose sum is σ = 1359960. Its totient is φ = 323760.

The previous prime is 712303. The next prime is 712319. The reversal of 712316 is 613217.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712319) by changing a digit.

712316 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8051 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (113330).

2712316 is an apocalyptic number.

It is an amenable number.

712316 is a deficient number, since it is larger than the sum of its proper divisors (647644).

712316 is a wasteful number, since it uses less digits than its factorization.

712316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16204 (or 16202 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 712316 is about 843.9881515756. The cubic root of 712316 is about 89.3081102523.

Adding to 712316 its sum of digits (20), we get a square (712336 = 8442).

Subtracting from 712316 its reverse (613217), we obtain a palindrome (99099).

The spelling of 712316 in words is "seven hundred twelve thousand, three hundred sixteen".

Divisors: 1 2 4 11 22 44 16189 32378 64756 178079 356158 712316