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313433441 = 388180761
BaseRepresentation
bin10010101011101…
…001110101100001
3210211210001211222
4102223221311201
51120214332231
651033544425
710524066056
oct2253516541
9724701758
10313433441
11150a1a202
1288b75115
134cc22399
142d8ad02d
151c7b427b
hex12ae9d61

313433441 has 4 divisors (see below), whose sum is σ = 313518084. Its totient is φ = 313348800.

The previous prime is 313433399. The next prime is 313433453. The reversal of 313433441 is 144334313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144334313 = 271353201.

It can be written as a sum of positive squares in 2 ways, for example, as 133980625 + 179452816 = 11575^2 + 13396^2 .

It is a cyclic number.

It is not a de Polignac number, because 313433441 - 222 = 309239137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313433441.

It is not an unprimeable number, because it can be changed into a prime (313433941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36500 + ... + 44261.

It is an arithmetic number, because the mean of its divisors is an integer number (78379521).

Almost surely, 2313433441 is an apocalyptic number.

It is an amenable number.

313433441 is a deficient number, since it is larger than the sum of its proper divisors (84643).

313433441 is an equidigital number, since it uses as much as digits as its factorization.

313433441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84642.

The product of its digits is 5184, while the sum is 26.

The square root of 313433441 is about 17704.0515419494. The cubic root of 313433441 is about 679.2793988405.

Adding to 313433441 its reverse (144334313), we get a palindrome (457767754).

The spelling of 313433441 in words is "three hundred thirteen million, four hundred thirty-three thousand, four hundred forty-one".

Divisors: 1 3881 80761 313433441