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2560012 = 227132541
BaseRepresentation
bin1001110001000000001100
311211001200021
421301000030
51123410022
6130511524
730521410
oct11610014
94731607
102560012
111499414
12a355a4
136b8300
144a8d40
153587c7
hex27100c

2560012 has 36 divisors (see below), whose sum is σ = 5554416. Its totient is φ = 1010880.

The previous prime is 2559989. The next prime is 2560021. The reversal of 2560012 is 2100652.

It is a happy number.

It is a super-2 number, since 2×25600122 = 13107322880288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4462 + ... + 5002.

22560012 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 2560012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777208).

2560012 is an abundant number, since it is smaller than the sum of its proper divisors (2994404).

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

2560012 is a wasteful number, since it uses less digits than its factorization.

2560012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 563 counting only the distinct ones).

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

The square root of 2560012 is about 1600.0037499956. The cubic root of 2560012 is about 136.7982894808.

Adding to 2560012 its reverse (2100652), we get a palindrome (4660664).

The spelling of 2560012 in words is "two million, five hundred sixty thousand, twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 182 338 364 541 676 1082 1183 2164 2366 3787 4732 7033 7574 14066 15148 28132 49231 91429 98462 182858 196924 365716 640003 1280006 2560012