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1330064420 = 225562311827
BaseRepresentation
bin100111101000111…
…0010110000100100
310102200202021101012
41033101302300210
510210444030140
6335551521352
744650234556
oct11721626044
93380667335
101330064420
116228720a3
12311529258
13182733389
14c89094d6
157bb7d265
hex4f472c24

1330064420 has 24 divisors (see below), whose sum is σ = 2793868224. Its totient is φ = 531886176.

The previous prime is 1330064413. The next prime is 1330064471. The reversal of 1330064420 is 244600331.

It is a happy number.

It is a super-2 number, since 2×13300644202 = 3538142722699872800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106547 + ... + 118373.

It is an arithmetic number, because the mean of its divisors is an integer number (116411176).

Almost surely, 21330064420 is an apocalyptic number.

1330064420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330064420 is an abundant number, since it is smaller than the sum of its proper divisors (1463803804).

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

1330064420 is a wasteful number, since it uses less digits than its factorization.

1330064420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17459 (or 17457 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1330064420 is about 36470.0482588110. The cubic root of 1330064420 is about 1099.7422040505.

Adding to 1330064420 its reverse (244600331), we get a palindrome (1574664751).

The spelling of 1330064420 in words is "one billion, three hundred thirty million, sixty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 5623 11246 11827 22492 23654 28115 47308 56230 59135 112460 118270 236540 66503221 133006442 266012884 332516105 665032210 1330064420