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2057560 = 23551439
BaseRepresentation
bin111110110010101011000
310212112102221
413312111120
51011320220
6112033424
723326501
oct7662530
93775387
102057560
11118596a
12832874
135706bb
143b7ba8
152a99aa
hex1f6558

2057560 has 16 divisors (see below), whose sum is σ = 4629600. Its totient is φ = 823008.

The previous prime is 2057543. The next prime is 2057569. The reversal of 2057560 is 657502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25680 + ... + 25759.

It is an arithmetic number, because the mean of its divisors is an integer number (289350).

22057560 is an apocalyptic number.

2057560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057560 is an abundant number, since it is smaller than the sum of its proper divisors (2572040).

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

2057560 is a wasteful number, since it uses less digits than its factorization.

2057560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51450 (or 51446 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2057560 is about 1434.4197433109. The cubic root of 2057560 is about 127.1893758515.

The spelling of 2057560 in words is "two million, fifty-seven thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 51439 102878 205756 257195 411512 514390 1028780 2057560