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537387648 = 2737199921
BaseRepresentation
bin100000000001111…
…110001010000000
31101110012010021020
4200001332022000
52100032401043
6125154025440
716213501560
oct4001761200
91343163236
10537387648
11256383326
1212bb78280
1387445875
1451528da0
15322a0e83
hex2007e280

537387648 has 64 divisors (see below), whose sum is σ = 1631363520. Its totient is φ = 153538560.

The previous prime is 537387601. The next prime is 537387649. The reversal of 537387648 is 846783735.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 537387648.

It is not an unprimeable number, because it can be changed into a prime (537387649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97273 + ... + 102648.

It is an arithmetic number, because the mean of its divisors is an integer number (25490055).

Almost surely, 2537387648 is an apocalyptic number.

It is an amenable number.

537387648 is an abundant number, since it is smaller than the sum of its proper divisors (1093975872).

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

537387648 is a wasteful number, since it uses less digits than its factorization.

537387648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199945 (or 199933 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 537387648 is about 23181.6230665586. The cubic root of 537387648 is about 813.0100109362.

The spelling of 537387648 in words is "five hundred thirty-seven million, three hundred eighty-seven thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 199921 399842 599763 799684 1199526 1399447 1599368 2399052 2798894 3198736 4198341 4798104 5597788 6397472 8396682 9596208 11195576 12794944 16793364 19192416 22391152 25589888 33586728 38384832 44782304 67173456 76769664 89564608 134346912 179129216 268693824 537387648