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3005020 = 225347433
BaseRepresentation
bin1011011101101001011100
312122200010001
423131221130
51232130040
6144224044
734353664
oct13355134
95580101
103005020
111772797
12100b024
13812a25
145831a4
153e559a
hex2dda5c

3005020 has 24 divisors (see below), whose sum is σ = 6343344. Its totient is φ = 1195776.

The previous prime is 3005011. The next prime is 3005027. The reversal of 3005020 is 205003.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 3004988 and 3005006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3005027) 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 7 ways as a sum of consecutive naturals, for example, 6724 + ... + 7156.

It is an arithmetic number, because the mean of its divisors is an integer number (264306).

Almost surely, 23005020 is an apocalyptic number.

It is an amenable number.

3005020 is an abundant number, since it is smaller than the sum of its proper divisors (3338324).

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

3005020 is a wasteful number, since it uses less digits than its factorization.

3005020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 3005020 is about 1733.4993510238. The cubic root of 3005020 is about 144.3053576777.

The spelling of 3005020 in words is "three million, five thousand, twenty".

Divisors: 1 2 4 5 10 20 347 433 694 866 1388 1732 1735 2165 3470 4330 6940 8660 150251 300502 601004 751255 1502510 3005020