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4005330529 = 277252201
BaseRepresentation
bin1110111010111100…
…0111111001100001
3101100010201212120011
43232233013321201
531200331034104
61501240044521
7201153514324
oct35657077141
911303655504
104005330529
1117759a5122
12939463741
134baa69a85
1429dd407bb
15186979904
hexeebc7e61

4005330529 has 6 divisors (see below), whose sum is σ = 4019919414. Its totient is φ = 3990794400.

The previous prime is 4005330523. The next prime is 4005330569. The reversal of 4005330529 is 9250335004.

It can be written as a sum of positive squares in 3 ways, for example, as 207936400 + 3797394129 = 14420^2 + 61623^2 .

It is not a de Polignac number, because 4005330529 - 215 = 4005297761 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 4005330529.

It is not an unprimeable number, because it can be changed into a prime (4005330523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50629 + ... + 102829.

It is an arithmetic number, because the mean of its divisors is an integer number (669986569).

Almost surely, 24005330529 is an apocalyptic number.

It is an amenable number.

4005330529 is a deficient number, since it is larger than the sum of its proper divisors (14588885).

4005330529 is an frugal number, since it uses more digits than its factorization.

4005330529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52755 (or 52478 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 4005330529 is about 63287.6807048576. The cubic root of 4005330529 is about 1588.1058795807.

The spelling of 4005330529 in words is "four billion, five million, three hundred thirty thousand, five hundred twenty-nine".

Divisors: 1 277 52201 76729 14459677 4005330529