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1330942028 = 221325595039
BaseRepresentation
bin100111101010100…
…1001000001001100
310102202101212020012
41033111021001030
510211210121103
6340022412352
744660551313
oct11725110114
93382355205
101330942028
11623311499
123118910b8
1318297c980
14c8a9727a
157bca32d8
hex4f54904c

1330942028 has 12 divisors (see below), whose sum is σ = 2508313920. Its totient is φ = 614280912.

The previous prime is 1330942013. The next prime is 1330942117. The reversal of 1330942028 is 8202490331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1330941985 and 1330942003.

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 3 ways as a sum of consecutive naturals, for example, 12797468 + ... + 12797571.

It is an arithmetic number, because the mean of its divisors is an integer number (209026160).

Almost surely, 21330942028 is an apocalyptic number.

It is an amenable number.

1330942028 is a deficient number, since it is larger than the sum of its proper divisors (1177371892).

1330942028 is a wasteful number, since it uses less digits than its factorization.

1330942028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25595056 (or 25595054 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1330942028 is about 36482.0781754549. The cubic root of 1330942028 is about 1099.9840295202.

The spelling of 1330942028 in words is "one billion, three hundred thirty million, nine hundred forty-two thousand, twenty-eight".

Divisors: 1 2 4 13 26 52 25595039 51190078 102380156 332735507 665471014 1330942028