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1314731 = 11472543
BaseRepresentation
bin101000000111110101011
32110210110202
411000332223
5314032411
644102415
714114015
oct5007653
92423422
101314731
11818860
12534a0b
13370562
142631b5
151ae83b
hex140fab

1314731 has 8 divisors (see below), whose sum is σ = 1465344. Its totient is φ = 1169320.

The previous prime is 1314701. The next prime is 1314767. The reversal of 1314731 is 1374131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1314731 is a prime.

It is a super-2 number, since 2×13147312 = 3457035204722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1314701) 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 7 ways as a sum of consecutive naturals, for example, 755 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (183168).

21314731 is an apocalyptic number.

1314731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1314731 is a deficient number, since it is larger than the sum of its proper divisors (150613).

1314731 is a wasteful number, since it uses less digits than its factorization.

1314731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

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

The square root of 1314731 is about 1146.6171985454. The cubic root of 1314731 is about 109.5499796166.

Adding to 1314731 its reverse (1374131), we get a palindrome (2688862).

The spelling of 1314731 in words is "one million, three hundred fourteen thousand, seven hundred thirty-one".

Divisors: 1 11 47 517 2543 27973 119521 1314731