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3320660 = 225723719
BaseRepresentation
bin1100101010101101010100
320020201002102
430222231110
51322230120
6155101232
740140140
oct14525524
96221072
103320660
111968952
121141818
138c35b5
14626220
15458d75
hex32ab54

3320660 has 24 divisors (see below), whose sum is σ = 7969920. Its totient is φ = 1138464.

The previous prime is 3320651. The next prime is 3320663. The reversal of 3320660 is 660233.

It is a happy number.

3320660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33206602 = 22053565671200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320663) 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 7 ways as a sum of consecutive naturals, for example, 11720 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (332080).

Almost surely, 23320660 is an apocalyptic number.

It is an amenable number.

3320660 is an abundant number, since it is smaller than the sum of its proper divisors (4649260).

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

3320660 is a wasteful number, since it uses less digits than its factorization.

3320660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23735 (or 23733 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3320660 is about 1822.2678178577. The cubic root of 3320660 is about 149.1906033321.

Adding to 3320660 its reverse (660233), we get a palindrome (3980893).

The spelling of 3320660 in words is "three million, three hundred twenty thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 23719 47438 94876 118595 166033 237190 332066 474380 664132 830165 1660330 3320660