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445234311 = 32353140143
BaseRepresentation
bin11010100010011…
…011110010000111
31011000210020122200
4122202123302013
51402434444221
6112102525543
714014300134
oct3242336207
91130706580
10445234311
11209361145
121051368b3
137131b772
14431bb58b
152914b426
hex1a89bc87

445234311 has 12 divisors (see below), whose sum is σ = 644942688. Its totient is φ = 295979904.

The previous prime is 445234297. The next prime is 445234343. The reversal of 445234311 is 113432544.

It is a happy number.

It is not a de Polignac number, because 445234311 - 215 = 445201543 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445214311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66895 + ... + 73248.

It is an arithmetic number, because the mean of its divisors is an integer number (53745224).

Almost surely, 2445234311 is an apocalyptic number.

445234311 is a deficient number, since it is larger than the sum of its proper divisors (199708377).

445234311 is a wasteful number, since it uses less digits than its factorization.

445234311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140502 (or 140499 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 445234311 is about 21100.5760821832. The cubic root of 445234311 is about 763.5946465654.

Adding to 445234311 its reverse (113432544), we get a palindrome (558666855).

The spelling of 445234311 in words is "four hundred forty-five million, two hundred thirty-four thousand, three hundred eleven".

Divisors: 1 3 9 353 1059 3177 140143 420429 1261287 49470479 148411437 445234311