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4020834164 = 222621383521
BaseRepresentation
bin1110111110101001…
…0000111101110100
3101101012220112112212
43233222100331310
531213313143124
61502552232552
7201432345404
oct35752207564
911335815485
104020834164
111783724246
1294269b758
134c1037719
142a2018804
15187edd40e
hexefa90f74

4020834164 has 12 divisors (see below), whose sum is σ = 7039162788. Its totient is φ = 2009644800.

The previous prime is 4020834151. The next prime is 4020834173. The reversal of 4020834164 is 4614380204.

It can be written as a sum of positive squares in 2 ways, for example, as 1643491600 + 2377342564 = 40540^2 + 48758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4020834164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181277 + ... + 202244.

It is an arithmetic number, because the mean of its divisors is an integer number (586596899).

Almost surely, 24020834164 is an apocalyptic number.

It is an amenable number.

4020834164 is a deficient number, since it is larger than the sum of its proper divisors (3018328624).

4020834164 is a wasteful number, since it uses less digits than its factorization.

4020834164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386146 (or 386144 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 4020834164 is about 63410.0478157839. The cubic root of 4020834164 is about 1590.1522953156.

The spelling of 4020834164 in words is "four billion, twenty million, eight hundred thirty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 2621 5242 10484 383521 767042 1534084 1005208541 2010417082 4020834164