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1338960525 = 35273233173
BaseRepresentation
bin100111111001110…
…1110101010001101
310110022111020112120
41033303232222031
510220233214100
6340510323153
745115656000
oct11763565215
93408436476
101338960525
11627898951
123144b94b9
13184529646
14c9b83537
157c8390a0
hex4fceea8d

1338960525 has 192 divisors, whose sum is σ = 2818867200. Its totient is φ = 558835200.

The previous prime is 1338960523. The next prime is 1338960541. The reversal of 1338960525 is 5250698331.

It is not a de Polignac number, because 1338960525 - 21 = 1338960523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338960521) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 18341889 + ... + 18341961.

It is an arithmetic number, because the mean of its divisors is an integer number (14681600).

Almost surely, 21338960525 is an apocalyptic number.

1338960525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1338960525 is an abundant number, since it is smaller than the sum of its proper divisors (1479906675).

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

1338960525 is a wasteful number, since it uses less digits than its factorization.

1338960525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1338960525 is about 36591.8095343753. The cubic root of 1338960525 is about 1102.1886245896.

The spelling of 1338960525 in words is "one billion, three hundred thirty-eight million, nine hundred sixty thousand, five hundred twenty-five".