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4042588621 = 53831098431
BaseRepresentation
bin1111000011110101…
…0000000111001101
3101102201211210001111
43300331100013031
531234400313441
61505050412021
7202115302441
oct36075200715
911381753044
104042588621
111794a32735
12949a31011
134c56b3596
142a4c7c821
15189d89081
hexf0f501cd

4042588621 has 16 divisors (see below), whose sum is σ = 4207230720. Its totient is φ = 3882116160.

The previous prime is 4042588619. The next prime is 4042588631. The reversal of 4042588621 is 1268852404.

It is a happy number.

4042588621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4042588621 - 21 = 4042588619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042588601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475276 + ... + 483706.

It is an arithmetic number, because the mean of its divisors is an integer number (262951920).

Almost surely, 24042588621 is an apocalyptic number.

It is an amenable number.

4042588621 is a deficient number, since it is larger than the sum of its proper divisors (164642099).

4042588621 is a wasteful number, since it uses less digits than its factorization.

4042588621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676.

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 4042588621 is about 63581.3543501552. The cubic root of 4042588621 is about 1593.0149433502.

The spelling of 4042588621 in words is "four billion, forty-two million, five hundred eighty-eight thousand, six hundred twenty-one".

Divisors: 1 53 83 109 4399 5777 8431 9047 446843 479491 699773 918979 37087969 48705887 76275257 4042588621