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2061250 = 2541797
BaseRepresentation
bin111110111001111000010
310212201111121
413313033002
51011430000
6112102454
723343322
oct7671702
93781447
102061250
111188714
12834a2a
13572299
143b9282
152aab1a
hex1f73c2

2061250 has 40 divisors (see below), whose sum is σ = 4133052. Its totient is φ = 768000.

The previous prime is 2061247. The next prime is 2061271. The reversal of 2061250 is 521602.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 53361 + 2007889 = 231^2 + 1417^2 .

It is a sliding number, since 2061250 = 781250 + 1280000 and 1/781250 + 1/1280000 = 0.000002061250.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 21202 + ... + 21298.

22061250 is an apocalyptic number.

2061250 is an abundant number, since it is smaller than the sum of its proper divisors (2071802).

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

2061250 is an equidigital number, since it uses as much as digits as its factorization.

2061250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2061250 is about 1435.7054015361. The cubic root of 2061250 is about 127.2653636742.

Adding to 2061250 its reverse (521602), we get a palindrome (2582852).

The spelling of 2061250 in words is "two million, sixty-one thousand, two hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 97 125 170 194 250 425 485 625 850 970 1250 1649 2125 2425 3298 4250 4850 8245 10625 12125 16490 21250 24250 41225 60625 82450 121250 206125 412250 1030625 2061250