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1330430044 = 221971688363
BaseRepresentation
bin100111101001100…
…1100000001011100
310102201102211220211
41033103030001130
510211042230134
6340003422204
744653316536
oct11723140134
93381384824
101330430044
11622aa1869
12311684964
13182830918
14c89a2856
157bc01764
hex4f4cc05c

1330430044 has 12 divisors (see below), whose sum is σ = 2340072504. Its totient is φ = 661837904.

The previous prime is 1330430041. The next prime is 1330430051. The reversal of 1330430044 is 4400340331.

It is a junction number, because it is equal to n+sod(n) for n = 1330429997 and 1330430024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330430041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843394 + ... + 844969.

It is an arithmetic number, because the mean of its divisors is an integer number (195006042).

Almost surely, 21330430044 is an apocalyptic number.

It is an amenable number.

1330430044 is a deficient number, since it is larger than the sum of its proper divisors (1009642460).

1330430044 is a wasteful number, since it uses less digits than its factorization.

1330430044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688564 (or 1688562 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1330430044 is about 36475.0605756865. The cubic root of 1330430044 is about 1099.8429649107.

Adding to 1330430044 its reverse (4400340331), we get a palindrome (5730770375).

The spelling of 1330430044 in words is "one billion, three hundred thirty million, four hundred thirty thousand, forty-four".

Divisors: 1 2 4 197 394 788 1688363 3376726 6753452 332607511 665215022 1330430044