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2232121230 = 232524801347
BaseRepresentation
bin1000010100001011…
…0111011110001110
312202120010111200200
42011002313132032
514032410334410
61005254034330
7106212501033
oct20502673616
95676114620
102232121230
11a45a79799
125236489a6
13297599cc1
1417263d38a
15d0e643c0
hex850b778e

2232121230 has 24 divisors (see below), whose sum is σ = 5803515432. Its totient is φ = 595232304.

The previous prime is 2232121207. The next prime is 2232121231. The reversal of 2232121230 is 321212322.

2232121230 is a `hidden beast` number, since 223 + 212 + 1 + 230 = 666.

2232121230 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22321212303 (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232121231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12400584 + ... + 12400763.

It is an arithmetic number, because the mean of its divisors is an integer number (241813143).

Almost surely, 22232121230 is an apocalyptic number.

2232121230 is an abundant number, since it is smaller than the sum of its proper divisors (3571394202).

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

2232121230 is a wasteful number, since it uses less digits than its factorization.

2232121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24801360 (or 24801357 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2232121230 is about 47245.3302454327. The cubic root of 2232121230 is about 1306.8906756057.

Adding to 2232121230 its reverse (321212322), we get a palindrome (2553333552).

It can be divided in two parts, 2 and 232121230, that added together give a palindrome (232121232).

The spelling of 2232121230 in words is "two billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 24801347 49602694 74404041 124006735 148808082 223212123 248013470 372020205 446424246 744040410 1116060615 2232121230