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4145432289 = 329473832647
BaseRepresentation
bin1111011100010110…
…0100011011100001
3101200220100210001020
43313011210123201
531442212313124
61523203000053
7204504410265
oct36705443341
911626323036
104145432289
111837a966a9
12978369029
13510ab151b
142b47b00a5
15193e01379
hexf71646e1

4145432289 has 32 divisors (see below), whose sum is σ = 5856952320. Its totient is φ = 2603748672.

The previous prime is 4145432287. The next prime is 4145432309. The reversal of 4145432289 is 9822345414.

It is a happy number.

It is not a de Polignac number, because 4145432289 - 21 = 4145432287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4145432289.

It is not an unprimeable number, because it can be changed into a prime (4145432281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1564764 + ... + 1567410.

It is an arithmetic number, because the mean of its divisors is an integer number (183029760).

Almost surely, 24145432289 is an apocalyptic number.

It is an amenable number.

4145432289 is a deficient number, since it is larger than the sum of its proper divisors (1711520031).

4145432289 is a wasteful number, since it uses less digits than its factorization.

4145432289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109.

The product of its digits is 276480, while the sum is 42.

The square root of 4145432289 is about 64385.0315601383. The cubic root of 4145432289 is about 1606.4107753819.

The spelling of 4145432289 in words is "four billion, one hundred forty-five million, four hundred thirty-two thousand, two hundred eighty-nine".

Divisors: 1 3 29 47 87 141 383 1149 1363 2647 4089 7941 11107 18001 33321 54003 76763 124409 230289 373227 522029 1013801 1566087 3041403 3607861 10823583 29400229 47648647 88200687 142945941 1381810763 4145432289