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2232023445 = 3455511169
BaseRepresentation
bin1000010100001001…
…1111100110010101
312202112221112120000
42011002133212111
514032344222240
61005252001513
7106211612661
oct20502374625
95675845500
102232023445
11a45a12283
12523600299
13297564642
141726158a1
15d0e45430
hex8509f995

2232023445 has 20 divisors (see below), whose sum is σ = 4001109420. Its totient is φ = 1190412288.

The previous prime is 2232023407. The next prime is 2232023473. The reversal of 2232023445 is 5443202322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 828921681 + 1403101764 = 28791^2 + 37458^2 .

It is not a de Polignac number, because 2232023445 - 211 = 2232021397 is a prime.

It is a super-3 number, since 3×22320234453 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2755180 + ... + 2755989.

It is an arithmetic number, because the mean of its divisors is an integer number (200055471).

Almost surely, 22232023445 is an apocalyptic number.

It is an amenable number.

2232023445 is a deficient number, since it is larger than the sum of its proper divisors (1769085975).

2232023445 is an equidigital number, since it uses as much as digits as its factorization.

2232023445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511186 (or 5511177 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 2232023445 is about 47244.2953699174. The cubic root of 2232023445 is about 1306.8715911926.

Adding to 2232023445 its reverse (5443202322), we get a palindrome (7675225767).

The spelling of 2232023445 in words is "two billion, two hundred thirty-two million, twenty-three thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 5511169 16533507 27555845 49600521 82667535 148801563 248002605 446404689 744007815 2232023445