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1338935072 = 25109383869
BaseRepresentation
bin100111111001110…
…1000011100100000
310110022102221121212
41033303220130200
510220231410242
6340510005252
745115521536
oct11763503440
93408387555
101338935072
11627880812
123144a6828
1318451ab97
14c9b78156
157c831782
hex4fce8720

1338935072 has 24 divisors (see below), whose sum is σ = 2660219100. Its totient is φ = 663323904.

The previous prime is 1338935069. The next prime is 1338935089. The reversal of 1338935072 is 2705398331.

It can be written as a sum of positive squares in 2 ways, for example, as 1183084816 + 155850256 = 34396^2 + 12484^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188447 + ... + 195422.

Almost surely, 21338935072 is an apocalyptic number.

It is an amenable number.

1338935072 is a deficient number, since it is larger than the sum of its proper divisors (1321284028).

1338935072 is a wasteful number, since it uses less digits than its factorization.

1338935072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383988 (or 383980 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1338935072 is about 36591.4617363122. The cubic root of 1338935072 is about 1102.1816405189.

The spelling of 1338935072 in words is "one billion, three hundred thirty-eight million, nine hundred thirty-five thousand, seventy-two".

Divisors: 1 2 4 8 16 32 109 218 436 872 1744 3488 383869 767738 1535476 3070952 6141904 12283808 41841721 83683442 167366884 334733768 669467536 1338935072