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3240305000 = 2354648061
BaseRepresentation
bin1100000100100011…
…0010000101101000
322100211012112211022
43001020302011220
523114004230000
61253310552012
7143204065232
oct30110620550
98324175738
103240305000
111413082119
12765208608
133c841114a
1422a4bb252
1513e710585
hexc1232168

3240305000 has 40 divisors (see below), whose sum is σ = 7592046330. Its totient is φ = 1296120000.

The previous prime is 3240304999. The next prime is 3240305041. The reversal of 3240305000 is 5030423.

It can be written as a sum of positive squares in 5 ways, for example, as 728892004 + 2511412996 = 26998^2 + 50114^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 3240305000.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 319031 + ... + 329030.

Almost surely, 23240305000 is an apocalyptic number.

It is an amenable number.

3240305000 is an abundant number, since it is smaller than the sum of its proper divisors (4351741330).

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

3240305000 is an equidigital number, since it uses as much as digits as its factorization.

3240305000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648087 (or 648068 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3240305000 is about 56923.6769718893. The cubic root of 3240305000 is about 1479.7736749119.

Adding to 3240305000 its reverse (5030423), we get a palindrome (3245335423).

The spelling of 3240305000 in words is "three billion, two hundred forty million, three hundred five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 648061 1296122 2592244 3240305 5184488 6480610 12961220 16201525 25922440 32403050 64806100 81007625 129612200 162015250 324030500 405038125 648061000 810076250 1620152500 3240305000