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2232030312 = 233231000421
BaseRepresentation
bin1000010100001010…
…0001010001101000
312202112221212222100
42011002201101220
514032344432222
61005252053400
7106211642001
oct20502412150
95675855870
102232030312
11a45a17456
12523604260
132975677c5
141726181a8
15d0e474ac
hex850a1468

2232030312 has 24 divisors (see below), whose sum is σ = 6045082290. Its totient is φ = 744010080.

The previous prime is 2232030289. The next prime is 2232030341. The reversal of 2232030312 is 2130302322.

It is a happy number.

2232030312 is a `hidden beast` number, since 2 + 2 + 320 + 30 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1525214916 + 706815396 = 39054^2 + 26586^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×22320303123 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15500139 + ... + 15500282.

Almost surely, 22232030312 is an apocalyptic number.

It is an amenable number.

2232030312 is an abundant number, since it is smaller than the sum of its proper divisors (3813051978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2232030312 is a wasteful number, since it uses less digits than its factorization.

2232030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31000433 (or 31000426 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2232030312 is about 47244.3680453025. The cubic root of 2232030312 is about 1306.8729314231.

Adding to 2232030312 its reverse (2130302322), we get a palindrome (4362332634).

The spelling of 2232030312 in words is "two billion, two hundred thirty-two million, thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 31000421 62000842 93001263 124001684 186002526 248003368 279003789 372005052 558007578 744010104 1116015156 2232030312