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1330442140 = 22566522107
BaseRepresentation
bin100111101001100…
…1110111110011100
310102201110110111211
41033103032332130
510211043122030
6340003554204
744653400026
oct11723167634
93381413454
101330442140
11622aaa965
1231168b964
13182836291
14c89a7016
157bc0512a
hex4f4cef9c

1330442140 has 12 divisors (see below), whose sum is σ = 2793928536. Its totient is φ = 532176848.

The previous prime is 1330442101. The next prime is 1330442177. The reversal of 1330442140 is 412440331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33261034 + ... + 33261073.

It is an arithmetic number, because the mean of its divisors is an integer number (232827378).

Almost surely, 21330442140 is an apocalyptic number.

1330442140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330442140 is an abundant number, since it is smaller than the sum of its proper divisors (1463486396).

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

1330442140 is a wasteful number, since it uses less digits than its factorization.

1330442140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66522116 (or 66522114 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1330442140 is about 36475.2263872344. The cubic root of 1330442140 is about 1099.8462980836.

Adding to 1330442140 its reverse (412440331), we get a palindrome (1742882471).

The spelling of 1330442140 in words is "one billion, three hundred thirty million, four hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 66522107 133044214 266088428 332610535 665221070 1330442140