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1968500 = 225331127
BaseRepresentation
bin111100000100101110100
310201000021102
413200211310
51000443000
6110105232
722506032
oct7404564
93630242
101968500
111124a66
127ab218
1353bcc1
14393552
1528d3d5
hex1e0974

1968500 has 48 divisors (see below), whose sum is σ = 4472832. Its totient is φ = 756000.

The previous prime is 1968487. The next prime is 1968521. The reversal of 1968500 is 58691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15437 + ... + 15563.

It is an arithmetic number, because the mean of its divisors is an integer number (93184).

21968500 is an apocalyptic number.

1968500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1968500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2236416).

1968500 is an abundant number, since it is smaller than the sum of its proper divisors (2504332).

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

1968500 is a wasteful number, since it uses less digits than its factorization.

1968500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1968500 is about 1403.0324301312. The cubic root of 1968500 is about 125.3271430724.

The spelling of 1968500 in words is "one million, nine hundred sixty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 125 127 155 250 254 310 500 508 620 635 775 1270 1550 2540 3100 3175 3875 3937 6350 7750 7874 12700 15500 15748 15875 19685 31750 39370 63500 78740 98425 196850 393700 492125 984250 1968500