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440211349 is a prime number
BaseRepresentation
bin11010001111010…
…001011110010101
31010200100001110001
4122033101132111
51400143230344
6111403131301
713623510004
oct3217213625
91120301401
10440211349
11206540336
12103513b31
13702803b6
1442670c3b
15289a7ed4
hex1a3d1795

440211349 has 2 divisors, whose sum is σ = 440211350. Its totient is φ = 440211348.

The previous prime is 440211347. The next prime is 440211407. The reversal of 440211349 is 943112044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286624900 + 153586449 = 16930^2 + 12393^2 .

It is a cyclic number.

It is not a de Polignac number, because 440211349 - 21 = 440211347 is a prime.

Together with 440211347, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440211347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220105674 + 220105675.

It is an arithmetic number, because the mean of its divisors is an integer number (220105675).

Almost surely, 2440211349 is an apocalyptic number.

It is an amenable number.

440211349 is a deficient number, since it is larger than the sum of its proper divisors (1).

440211349 is an equidigital number, since it uses as much as digits as its factorization.

440211349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 440211349 is about 20981.2141927011. The cubic root of 440211349 is about 760.7122529922.

It can be divided in two parts, 4402 and 11349, that added together give a palindrome (15751).

The spelling of 440211349 in words is "four hundred forty million, two hundred eleven thousand, three hundred forty-nine".