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445412434 = 22313969661
BaseRepresentation
bin11010100011000…
…111010001010010
31011001010021222211
4122203013101102
51403011144214
6112110422334
714015641345
oct3243072122
91131107884
10445412434
11209472a55
121052019aa
137138186c
144322645c
15291840c4
hex1a8c7452

445412434 has 16 divisors (see below), whose sum is σ = 702192960. Its totient is φ = 211487760.

The previous prime is 445412419. The next prime is 445412441. The reversal of 445412434 is 434214544.

It is a junction number, because it is equal to n+sod(n) for n = 445412396 and 445412405.

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 7 ways as a sum of consecutive naturals, for example, 28437 + ... + 41224.

It is an arithmetic number, because the mean of its divisors is an integer number (43887060).

Almost surely, 2445412434 is an apocalyptic number.

445412434 is a deficient number, since it is larger than the sum of its proper divisors (256780526).

445412434 is a wasteful number, since it uses less digits than its factorization.

445412434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69825.

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

The square root of 445412434 is about 21104.7964690494. The cubic root of 445412434 is about 763.6964623447.

Adding to 445412434 its reverse (434214544), we get a palindrome (879626978).

The spelling of 445412434 in words is "four hundred forty-five million, four hundred twelve thousand, four hundred thirty-four".

Divisors: 1 2 23 46 139 278 3197 6394 69661 139322 1602203 3204406 9682879 19365758 222706217 445412434