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344412445 = 51323322741
BaseRepresentation
bin10100100001110…
…101000100011101
3220000001222001111
4110201311010131
51201132144240
654101542021
711351312626
oct2441650435
9800058044
10344412445
11167459193
1297414911
135647ab60
1433a54a4d
15203831ea
hex1487511d

344412445 has 16 divisors (see below), whose sum is σ = 447016752. Its totient is φ = 253232640.

The previous prime is 344412433. The next prime is 344412463. The reversal of 344412445 is 544214443.

It can be written as a sum of positive squares in 8 ways, for example, as 133494916 + 210917529 = 11554^2 + 14523^2 .

It is not a de Polignac number, because 344412445 - 213 = 344404253 is a prime.

It is a congruent number.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 3775 + ... + 26515.

It is an arithmetic number, because the mean of its divisors is an integer number (27938547).

Almost surely, 2344412445 is an apocalyptic number.

It is an amenable number.

344412445 is a deficient number, since it is larger than the sum of its proper divisors (102604307).

344412445 is a wasteful number, since it uses less digits than its factorization.

344412445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22992.

The product of its digits is 30720, while the sum is 31.

The square root of 344412445 is about 18558.3524322608. The cubic root of 344412445 is about 700.9595310523.

Adding to 344412445 its reverse (544214443), we get a palindrome (888626888).

The spelling of 344412445 in words is "three hundred forty-four million, four hundred twelve thousand, four hundred forty-five".

Divisors: 1 5 13 65 233 1165 3029 15145 22741 113705 295633 1478165 5298653 26493265 68882489 344412445