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2021076 = 2232311811
BaseRepresentation
bin111101101011011010100
310210200101200
413231123110
51004133301
6111152500
723115231
oct7553324
93720350
102021076
111160512
12815730
13559c05
143a8788
1529dc86
hex1ed6d4

2021076 has 36 divisors (see below), whose sum is σ = 5276544. Its totient is φ = 651600.

The previous prime is 2021053. The next prime is 2021077. The reversal of 2021076 is 6701202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021077) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 211 + ... + 2021.

22021076 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 2021076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2638272).

2021076 is an abundant number, since it is smaller than the sum of its proper divisors (3255468).

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

2021076 is a wasteful number, since it uses less digits than its factorization.

2021076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 1847 counting only the distinct ones).

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

The square root of 2021076 is about 1421.6455254387. The cubic root of 2021076 is about 126.4331277000.

Adding to 2021076 its reverse (6701202), we get a palindrome (8722278).

The spelling of 2021076 in words is "two million, twenty-one thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 1811 3622 5433 7244 10866 16299 21732 32598 56141 65196 112282 168423 224564 336846 505269 673692 1010538 2021076