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445212104 = 231923347367
BaseRepresentation
bin11010100010010…
…110010111001000
31011000202010012012
4122202112113020
51402433241404
6112102235052
714014145321
oct3242262710
91130663165
10445212104
11209346497
12105125a88
137131161c
14431b3448
1529144a6e
hex1a8965c8

445212104 has 64 divisors (see below), whose sum is σ = 922060800. Its totient is φ = 200591424.

The previous prime is 445212101. The next prime is 445212109. The reversal of 445212104 is 401212544.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 445212104.

It is not an unprimeable number, because it can be changed into a prime (445212101) by changing a digit.

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, 1212929 + ... + 1213295.

It is an arithmetic number, because the mean of its divisors is an integer number (14407200).

Almost surely, 2445212104 is an apocalyptic number.

It is an amenable number.

445212104 is an abundant number, since it is smaller than the sum of its proper divisors (476848696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445212104 is a wasteful number, since it uses less digits than its factorization.

445212104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 445212104 is about 21100.0498577610. The cubic root of 445212104 is about 763.5819510566.

Adding to 445212104 its reverse (401212544), we get a palindrome (846424648).

The spelling of 445212104 in words is "four hundred forty-five million, two hundred twelve thousand, one hundred four".

Divisors: 1 2 4 8 19 23 38 46 76 92 152 184 347 367 437 694 734 874 1388 1468 1748 2776 2936 3496 6593 6973 7981 8441 13186 13946 15962 16882 26372 27892 31924 33764 52744 55784 63848 67528 127349 151639 160379 254698 303278 320758 509396 606556 641516 1018792 1213112 1283032 2419631 2929027 4839262 5858054 9678524 11716108 19357048 23432216 55651513 111303026 222606052 445212104