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2214431444 = 2223149161543
BaseRepresentation
bin1000001111111101…
…1000101011010100
312201022211202212102
42003333120223110
514013343301234
61003422541232
7105606233231
oct20377305324
95638752772
102214431444
11a36a97135
12519737818
13293a15284
14170156788
15ce61cc7e
hex83fd8ad4

2214431444 has 24 divisors (see below), whose sum is σ = 4070908800. Its totient is φ = 1051961504.

The previous prime is 2214431413. The next prime is 2214431489. The reversal of 2214431444 is 4441344122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67064 + ... + 94479.

It is an arithmetic number, because the mean of its divisors is an integer number (169621200).

Almost surely, 22214431444 is an apocalyptic number.

It is an amenable number.

2214431444 is a deficient number, since it is larger than the sum of its proper divisors (1856477356).

2214431444 is a wasteful number, since it uses less digits than its factorization.

2214431444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161719 (or 161717 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 2214431444 is about 47057.7458448660. The cubic root of 2214431444 is about 1303.4291014997.

Adding to 2214431444 its reverse (4441344122), we get a palindrome (6655775566).

The spelling of 2214431444 in words is "two billion, two hundred fourteen million, four hundred thirty-one thousand, four hundred forty-four".

Divisors: 1 2 4 23 46 92 149 298 596 3427 6854 13708 161543 323086 646172 3715489 7430978 14861956 24069907 48139814 96279628 553607861 1107215722 2214431444