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3668020 = 225241761
BaseRepresentation
bin1101111111100000110100
320220100120121
431333200310
51414334040
6210341324
743114636
oct15774064
96810517
103668020
112085924
12128a844
139b5735
146b6a56
154c6c4a
hex37f834

3668020 has 24 divisors (see below), whose sum is σ = 7744968. Its totient is φ = 1459200.

The previous prime is 3668009. The next prime is 3668033. The reversal of 3668020 is 208663.

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 3640464 = 166^2 + 1908^2 .

It is a congruent number.

It is an unprimeable number.

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, 4440 + ... + 5200.

It is an arithmetic number, because the mean of its divisors is an integer number (322707).

Almost surely, 23668020 is an apocalyptic number.

It is an amenable number.

3668020 is an abundant number, since it is smaller than the sum of its proper divisors (4076948).

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

3668020 is a wasteful number, since it uses less digits than its factorization.

3668020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3668020 is about 1915.2075605532. The cubic root of 3668020 is about 154.2211361785.

The spelling of 3668020 in words is "three million, six hundred sixty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 241 482 761 964 1205 1522 2410 3044 3805 4820 7610 15220 183401 366802 733604 917005 1834010 3668020