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2057244 = 2237191289
BaseRepresentation
bin111110110010000011100
310212112000020
413312100130
51011312434
6112032140
723325540
oct7662034
93775006
102057244
111185702
12832650
13570507
143b7a20
152a9849
hex1f641c

2057244 has 48 divisors (see below), whose sum is σ = 5779200. Its totient is φ = 556416.

The previous prime is 2057233. The next prime is 2057291. The reversal of 2057244 is 4427502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (120400).

22057244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2889600).

2057244 is an abundant number, since it is smaller than the sum of its proper divisors (3721956).

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

2057244 is a wasteful number, since it uses less digits than its factorization.

2057244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 2057244 is about 1434.3095900119. The cubic root of 2057244 is about 127.1828642713.

The spelling of 2057244 in words is "two million, fifty-seven thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1289 1596 2578 3867 5156 7734 9023 15468 18046 24491 27069 36092 48982 54138 73473 97964 108276 146946 171437 293892 342874 514311 685748 1028622 2057244