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1330401144 = 233232104789
BaseRepresentation
bin100111101001100…
…0100111101111000
310102201101101021110
41033103010331320
510211040314034
6340003040320
744653136352
oct11723047570
93381341243
101330401144
11622a82086
123116700a0
13182820717
14c89960d2
157bbe7de9
hex4f4c4f78

1330401144 has 48 divisors (see below), whose sum is σ = 3476932200. Its totient is φ = 424181824.

The previous prime is 1330401131. The next prime is 1330401151. The reversal of 1330401144 is 4411040331.

It is a self number, because there is not a number n which added to its sum of digits gives 1330401144.

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 11 ways as a sum of consecutive naturals, for example, 39699 + ... + 65090.

Almost surely, 21330401144 is an apocalyptic number.

It is an amenable number.

1330401144 is an abundant number, since it is smaller than the sum of its proper divisors (2146531056).

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

1330401144 is a wasteful number, since it uses less digits than its factorization.

1330401144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104844 (or 104817 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1330401144 is about 36474.6644124384. The cubic root of 1330401144 is about 1099.8350011469.

Adding to 1330401144 its reverse (4411040331), we get a palindrome (5741441475).

The spelling of 1330401144 in words is "one billion, three hundred thirty million, four hundred one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 529 552 1058 1587 2116 3174 4232 6348 12696 104789 209578 314367 419156 628734 838312 1257468 2410147 2514936 4820294 7230441 9640588 14460882 19281176 28921764 55433381 57843528 110866762 166300143 221733524 332600286 443467048 665200572 1330401144