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195147648 = 2732169399
BaseRepresentation
bin10111010000110…
…11011110000000
3111121012112020200
423220123132000
5344424211043
631210405200
74556504403
oct1350333600
9447175220
10195147648
11a0179353
1255430800
13315787a7
141bcbbd3a
15121eb7d3
hexba1b780

195147648 has 48 divisors (see below), whose sum is σ = 561561000. Its totient is φ = 65048832.

The previous prime is 195147647. The next prime is 195147653. The reversal of 195147648 is 846741591.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195147647) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 83548 + ... + 85851.

Almost surely, 2195147648 is an apocalyptic number.

195147648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

195147648 is an abundant number, since it is smaller than the sum of its proper divisors (366413352).

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

195147648 is a wasteful number, since it uses less digits than its factorization.

195147648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169419 (or 169404 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 195147648 is about 13969.5256898722. The cubic root of 195147648 is about 580.0353208771.

The spelling of 195147648 in words is "one hundred ninety-five million, one hundred forty-seven thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 169399 338798 508197 677596 1016394 1355192 1524591 2032788 2710384 3049182 4065576 5420768 6098364 8131152 10841536 12196728 16262304 21683072 24393456 32524608 48786912 65049216 97573824 195147648