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1048738725 = 33521981773
BaseRepresentation
bin111110100000100…
…111101110100101
32201002101110002000
4332200213232211
54121434114400
6252022035513
734663063206
oct7640475645
92632343060
101048738725
11498a92a21
12253278b99
13139373478
149d3d75ad
156210c600
hex3e827ba5

1048738725 has 48 divisors (see below), whose sum is σ = 2027995200. Its totient is φ = 529882560.

The previous prime is 1048738723. The next prime is 1048738741. The reversal of 1048738725 is 5278378401.

It is not a de Polignac number, because 1048738725 - 21 = 1048738723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048738723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28062 + ... + 53711.

It is an arithmetic number, because the mean of its divisors is an integer number (42249900).

Almost surely, 21048738725 is an apocalyptic number.

1048738725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1048738725 is a deficient number, since it is larger than the sum of its proper divisors (979256475).

1048738725 is a wasteful number, since it uses less digits than its factorization.

1048738725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81811 (or 81800 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1048738725 is about 32384.2357482773. The cubic root of 1048738725 is about 1015.9892238121.

The spelling of 1048738725 in words is "one billion, forty-eight million, seven hundred thirty-eight thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 19 25 27 45 57 75 95 135 171 225 285 475 513 675 855 1425 2565 4275 12825 81773 245319 408865 735957 1226595 1553687 2044325 2207871 3679785 4661061 6132975 7768435 11039355 13983183 18398925 23305305 38842175 41949549 55196775 69915915 116526525 209747745 349579575 1048738725