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1442400288 = 25372393323
BaseRepresentation
bin101010111111001…
…0100100000100000
310201112010112012220
41111332110200200
510423223302123
6355043351040
750513125440
oct12576244040
93645115186
101442400288
1168021975a
12343082480
1319caa59c4
14d97cc120
158696cce3
hex55f94820

1442400288 has 96 divisors (see below), whose sum is σ = 4515388416. Its totient is φ = 394192128.

The previous prime is 1442400269. The next prime is 1442400293. The reversal of 1442400288 is 8820042441.

It is a tau number, because it is divible by the number of its divisors (96).

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, 31206 + ... + 62117.

It is an arithmetic number, because the mean of its divisors is an integer number (47035296).

Almost surely, 21442400288 is an apocalyptic number.

It is an amenable number.

1442400288 is an abundant number, since it is smaller than the sum of its proper divisors (3072988128).

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

1442400288 is a wasteful number, since it uses less digits than its factorization.

1442400288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93366 (or 93358 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 1442400288 is about 37978.9453250087. The cubic root of 1442400288 is about 1129.8703189997.

The spelling of 1442400288 in words is "one billion, four hundred forty-two million, four hundred thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 69 84 92 96 112 138 161 168 184 224 276 322 336 368 483 552 644 672 736 966 1104 1288 1932 2208 2576 3864 5152 7728 15456 93323 186646 279969 373292 559938 653261 746584 1119876 1306522 1493168 1959783 2146429 2239752 2613044 2986336 3919566 4292858 4479504 5226088 6439287 7839132 8585716 8959008 10452176 12878574 15025003 15678264 17171432 20904352 25757148 30050006 31356528 34342864 45075009 51514296 60100012 62713056 68685728 90150018 103028592 120200024 180300036 206057184 240400048 360600072 480800096 721200144 1442400288