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3240020143 = 23823171167
BaseRepresentation
bin1100000100011110…
…1100100010101111
322100210200002002001
43001013230202233
523113421121033
61253300513131
7143201500603
oct30107544257
98323602061
103240020143
1114129a80a8
127650ab7a7
133c83415a9
1422a445503
1513e6a5e7d
hexc11ec8af

3240020143 has 8 divisors (see below), whose sum is σ = 3385018368. Its totient is φ = 3095365944.

The previous prime is 3240020057. The next prime is 3240020167. The reversal of 3240020143 is 3410200423.

3240020143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3240020143 - 217 = 3239889071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3240020143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240020183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66655 + ... + 104512.

It is an arithmetic number, because the mean of its divisors is an integer number (423127296).

Almost surely, 23240020143 is an apocalyptic number.

3240020143 is a deficient number, since it is larger than the sum of its proper divisors (144998225).

3240020143 is a wasteful number, since it uses less digits than its factorization.

3240020143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172013.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3240020143 is about 56921.1748209750. The cubic root of 3240020143 is about 1479.7303110678.

Adding to 3240020143 its reverse (3410200423), we get a palindrome (6650220566).

The spelling of 3240020143 in words is "three billion, two hundred forty million, twenty thousand, one hundred forty-three".

Divisors: 1 23 823 18929 171167 3936841 140870441 3240020143