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2061072 = 243313367
BaseRepresentation
bin111110111001100010000
310212201021000
413313030100
51011423242
6112102000
723342646
oct7671420
93781230
102061072
111188572
12834900
13572190
143b9196
152aaa4c
hex1f7310

2061072 has 80 divisors (see below), whose sum is σ = 6388480. Its totient is φ = 632448.

The previous prime is 2061067. The next prime is 2061077. The reversal of 2061072 is 2701602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2061067) and next prime (2061077).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2061077) by changing a digit.

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, 5433 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (79856).

22061072 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 2061072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3194240).

2061072 is an abundant number, since it is smaller than the sum of its proper divisors (4327408).

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

2061072 is a wasteful number, since it uses less digits than its factorization.

2061072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2061072 is about 1435.6434097644. The cubic root of 2061072 is about 127.2617002196.

Adding to 2061072 its reverse (2701602), we get a palindrome (4762674).

It can be divided in two parts, 206107 and 2, that multiplied together give a palindrome (412214).

The spelling of 2061072 in words is "two million, sixty-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 367 432 468 624 702 734 936 1101 1404 1468 1872 2202 2808 2936 3303 4404 4771 5616 5872 6606 8808 9542 9909 13212 14313 17616 19084 19818 26424 28626 38168 39636 42939 52848 57252 76336 79272 85878 114504 128817 158544 171756 229008 257634 343512 515268 687024 1030536 2061072