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3010021 = 72471307
BaseRepresentation
bin1011011110110111100101
312122220222021
423132313211
51232310041
6144303141
734404400
oct13366745
95586867
103010021
111776523
121011ab1
138150a1
14584d37
153e6cd1
hex2dede5

3010021 has 12 divisors (see below), whose sum is σ = 3578688. Its totient is φ = 2523192.

The previous prime is 3010019. The next prime is 3010039. The reversal of 3010021 is 1200103.

It is not a de Polignac number, because 3010021 - 21 = 3010019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3009986 and 3010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3010001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1650 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (298224).

Almost surely, 23010021 is an apocalyptic number.

It is an amenable number.

3010021 is a deficient number, since it is larger than the sum of its proper divisors (568667).

3010021 is a wasteful number, since it uses less digits than its factorization.

3010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 3010021 is about 1734.9412093786. The cubic root of 3010021 is about 144.3853650349.

Adding to 3010021 its reverse (1200103), we get a palindrome (4210124).

The spelling of 3010021 in words is "three million, ten thousand, twenty-one".

Divisors: 1 7 47 49 329 1307 2303 9149 61429 64043 430003 3010021